21205441296

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{709}}^1\times {\mathrm{1229}}^1$

素因数の和:1978

約数の個数: 180

約数和(自身を含む): 64405001700

約数和(自身を除く): 43199560404

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 709, 936, 1014, 1229, 1352, 1418, 1521, 1872, 2028, 2127, 2458, 2704, 2836, 3042, 3687, 4056, 4254, 4916, 5672, 6084, 6381, 7374, 8112, 8508, 9217, 9832, 11061, 11344, 12168, 12762, 14748, 15977, 17016, 18434, 19664, 22122, 24336, 25524, 27651, 29496, 31954, 34032, 36868, 44244, 47931, 51048, 55302, 58992, 63908, 73736, 82953, 88488, 95862, 102096, 110604, 119821, 127816, 143793, 147472, 165906, 176976, 191724, 207701, 221208, 239642, 255632, 287586, 331812, 359463, 383448, 415402, 442416, 479284, 575172, 623103, 663624, 718926, 766896, 830804, 871361, 958568, 1078389, 1150344, 1246206, 1327248, 1437852, 1661608, 1742722, 1869309, 1917136, 2156778, 2300688, 2492412, 2614083, 2875704, 3323216, 3485444, 3738618, 4313556, 4984824, 5228166, 5751408, 6970888, 7477236, 7842249, 8627112, 9969648, 10456332, 11327693, 13941776, 14954472, 15684498, 17254224, 20912664, 22655386, 29908944, 31368996, 33983079, 41825328, 45310772, 62737992, 67966158, 90621544, 101949237, 125475984, 135932316, 147260009, 181243088, 203898474, 271864632, 294520018, 407796948, 441780027, 543729264, 589040036, 815593896, 883560054, 1178080072, 1325340081, 1631187792, 1767120108, 2356160144, 2650680162, 3534240216, 5301360324, 7068480432, 10602720648, 21205441296]

約数ペア:

[(1, 21205441296), (2, 10602720648), (3, 7068480432), (4, 5301360324), (6, 3534240216), (8, 2650680162), (9, 2356160144), (12, 1767120108), (13, 1631187792), (16, 1325340081), (18, 1178080072), (24, 883560054), (26, 815593896), (36, 589040036), (39, 543729264), (48, 441780027), (52, 407796948), (72, 294520018), (78, 271864632), (104, 203898474), (117, 181243088), (144, 147260009), (156, 135932316), (169, 125475984), (208, 101949237), (234, 90621544), (312, 67966158), (338, 62737992), (468, 45310772), (507, 41825328), (624, 33983079), (676, 31368996), (709, 29908944), (936, 22655386), (1014, 20912664), (1229, 17254224), (1352, 15684498), (1418, 14954472), (1521, 13941776), (1872, 11327693), (2028, 10456332), (2127, 9969648), (2458, 8627112), (2704, 7842249), (2836, 7477236), (3042, 6970888), (3687, 5751408), (4056, 5228166), (4254, 4984824), (4916, 4313556), (5672, 3738618), (6084, 3485444), (6381, 3323216), (7374, 2875704), (8112, 2614083), (8508, 2492412), (9217, 2300688), (9832, 2156778), (11061, 1917136), (11344, 1869309), (12168, 1742722), (12762, 1661608), (14748, 1437852), (15977, 1327248), (17016, 1246206), (18434, 1150344), (19664, 1078389), (22122, 958568), (24336, 871361), (25524, 830804), (27651, 766896), (29496, 718926), (31954, 663624), (34032, 623103), (36868, 575172), (44244, 479284), (47931, 442416), (51048, 415402), (55302, 383448), (58992, 359463), (63908, 331812), (73736, 287586), (82953, 255632), (88488, 239642), (95862, 221208), (102096, 207701), (110604, 191724), (119821, 176976), (127816, 165906), (143793, 147472)]