21051542544

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:945

約数の個数: 160

約数和(自身を含む): 58187061504

約数和(自身を除く): 37135518960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 233, 263, 272, 408, 421, 466, 526, 699, 789, 816, 842, 932, 1052, 1263, 1398, 1578, 1684, 1864, 2104, 2526, 2796, 3156, 3368, 3728, 3961, 4208, 4471, 5052, 5592, 6312, 6736, 7157, 7922, 8942, 10104, 11184, 11883, 12624, 13413, 14314, 15844, 17884, 20208, 21471, 23766, 26826, 28628, 31688, 35768, 42942, 47532, 53652, 57256, 61279, 63376, 71536, 85884, 95064, 98093, 107304, 110723, 114512, 122558, 171768, 183837, 190128, 196186, 214608, 221446, 245116, 294279, 332169, 343536, 367674, 392372, 442892, 490232, 588558, 664338, 735348, 784744, 885784, 980464, 1041743, 1177116, 1328676, 1470696, 1569488, 1667581, 1771568, 1882291, 2083486, 2354232, 2657352, 2941392, 3125229, 3335162, 3764582, 4166972, 4708464, 5002743, 5314704, 5646873, 6250458, 6670324, 7529164, 8333944, 10005486, 11293746, 12500916, 13340648, 15058328, 16667888, 20010972, 22587492, 25001832, 25798459, 26681296, 30116656, 40021944, 45174984, 50003664, 51596918, 77395377, 80043888, 90349968, 103193836, 154790754, 206387672, 309581508, 412775344, 438573803, 619163016, 877147606, 1238326032, 1315721409, 1754295212, 2631442818, 3508590424, 5262885636, 7017180848, 10525771272, 21051542544]

約数ペア:

[(1, 21051542544), (2, 10525771272), (3, 7017180848), (4, 5262885636), (6, 3508590424), (8, 2631442818), (12, 1754295212), (16, 1315721409), (17, 1238326032), (24, 877147606), (34, 619163016), (48, 438573803), (51, 412775344), (68, 309581508), (102, 206387672), (136, 154790754), (204, 103193836), (233, 90349968), (263, 80043888), (272, 77395377), (408, 51596918), (421, 50003664), (466, 45174984), (526, 40021944), (699, 30116656), (789, 26681296), (816, 25798459), (842, 25001832), (932, 22587492), (1052, 20010972), (1263, 16667888), (1398, 15058328), (1578, 13340648), (1684, 12500916), (1864, 11293746), (2104, 10005486), (2526, 8333944), (2796, 7529164), (3156, 6670324), (3368, 6250458), (3728, 5646873), (3961, 5314704), (4208, 5002743), (4471, 4708464), (5052, 4166972), (5592, 3764582), (6312, 3335162), (6736, 3125229), (7157, 2941392), (7922, 2657352), (8942, 2354232), (10104, 2083486), (11184, 1882291), (11883, 1771568), (12624, 1667581), (13413, 1569488), (14314, 1470696), (15844, 1328676), (17884, 1177116), (20208, 1041743), (21471, 980464), (23766, 885784), (26826, 784744), (28628, 735348), (31688, 664338), (35768, 588558), (42942, 490232), (47532, 442892), (53652, 392372), (57256, 367674), (61279, 343536), (63376, 332169), (71536, 294279), (85884, 245116), (95064, 221446), (98093, 214608), (107304, 196186), (110723, 190128), (114512, 183837), (122558, 171768)]