21387116628

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2235

約数の個数: 216

約数和(自身を含む): 61798254336

約数和(自身を除く): 40411137708

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 31, 34, 36, 46, 51, 62, 68, 69, 92, 93, 102, 124, 138, 153, 186, 204, 207, 276, 279, 306, 372, 391, 414, 527, 529, 558, 612, 713, 782, 828, 1054, 1058, 1116, 1173, 1426, 1564, 1581, 1587, 2108, 2116, 2131, 2139, 2346, 2852, 3162, 3174, 3519, 4262, 4278, 4692, 4743, 4761, 6324, 6348, 6393, 6417, 7038, 8524, 8556, 8993, 9486, 9522, 12121, 12786, 12834, 14076, 16399, 17986, 18972, 19044, 19179, 24242, 25572, 25668, 26979, 32798, 35972, 36227, 36363, 38358, 48484, 49013, 49197, 53958, 65596, 66061, 72454, 72726, 76716, 80937, 98026, 98394, 107916, 108681, 109089, 132122, 144908, 145452, 147039, 147591, 161874, 196052, 196788, 198183, 217362, 218178, 264244, 278783, 294078, 295182, 323748, 326043, 396366, 434724, 436356, 441117, 557566, 588156, 590364, 594549, 652086, 792732, 833221, 836349, 882234, 1115132, 1123037, 1127299, 1189098, 1304172, 1519403, 1666442, 1672698, 1764468, 2246074, 2254598, 2378196, 2499663, 2509047, 3038806, 3332884, 3345396, 3369111, 3381897, 4492148, 4509196, 4558209, 4999326, 5018094, 6077612, 6738222, 6763794, 7498989, 9116418, 9998652, 10036188, 10107333, 10145691, 13476444, 13527588, 13674627, 14997978, 18232836, 19164083, 20214666, 20291382, 25829851, 27349254, 29995956, 34946269, 38328166, 40429332, 40582764, 51659702, 54698508, 57492249, 69892538, 76656332, 77489553, 103319404, 104838807, 114984498, 139785076, 154979106, 172476747, 209677614, 229968996, 232468659, 309958212, 314516421, 344953494, 419355228, 464937318, 594086573, 629032842, 689906988, 929874636, 1188173146, 1258065684, 1782259719, 2376346292, 3564519438, 5346779157, 7129038876, 10693558314, 21387116628]

約数ペア:

[(1, 21387116628), (2, 10693558314), (3, 7129038876), (4, 5346779157), (6, 3564519438), (9, 2376346292), (12, 1782259719), (17, 1258065684), (18, 1188173146), (23, 929874636), (31, 689906988), (34, 629032842), (36, 594086573), (46, 464937318), (51, 419355228), (62, 344953494), (68, 314516421), (69, 309958212), (92, 232468659), (93, 229968996), (102, 209677614), (124, 172476747), (138, 154979106), (153, 139785076), (186, 114984498), (204, 104838807), (207, 103319404), (276, 77489553), (279, 76656332), (306, 69892538), (372, 57492249), (391, 54698508), (414, 51659702), (527, 40582764), (529, 40429332), (558, 38328166), (612, 34946269), (713, 29995956), (782, 27349254), (828, 25829851), (1054, 20291382), (1058, 20214666), (1116, 19164083), (1173, 18232836), (1426, 14997978), (1564, 13674627), (1581, 13527588), (1587, 13476444), (2108, 10145691), (2116, 10107333), (2131, 10036188), (2139, 9998652), (2346, 9116418), (2852, 7498989), (3162, 6763794), (3174, 6738222), (3519, 6077612), (4262, 5018094), (4278, 4999326), (4692, 4558209), (4743, 4509196), (4761, 4492148), (6324, 3381897), (6348, 3369111), (6393, 3345396), (6417, 3332884), (7038, 3038806), (8524, 2509047), (8556, 2499663), (8993, 2378196), (9486, 2254598), (9522, 2246074), (12121, 1764468), (12786, 1672698), (12834, 1666442), (14076, 1519403), (16399, 1304172), (17986, 1189098), (18972, 1127299), (19044, 1123037), (19179, 1115132), (24242, 882234), (25572, 836349), (25668, 833221), (26979, 792732), (32798, 652086), (35972, 594549), (36227, 590364), (36363, 588156), (38358, 557566), (48484, 441117), (49013, 436356), (49197, 434724), (53958, 396366), (65596, 326043), (66061, 323748), (72454, 295182), (72726, 294078), (76716, 278783), (80937, 264244), (98026, 218178), (98394, 217362), (107916, 198183), (108681, 196788), (109089, 196052), (132122, 161874), (144908, 147591), (145452, 147039)]