21521136

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 68983680

約数和(自身を除く): 47462544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 169, 182, 208, 273, 312, 336, 338, 364, 379, 507, 546, 624, 676, 728, 758, 1014, 1092, 1137, 1183, 1352, 1456, 1516, 2028, 2184, 2274, 2366, 2653, 2704, 3032, 3549, 4056, 4368, 4548, 4732, 4927, 5306, 6064, 7098, 7959, 8112, 9096, 9464, 9854, 10612, 14196, 14781, 15918, 18192, 18928, 19708, 21224, 28392, 29562, 31836, 34489, 39416, 42448, 56784, 59124, 63672, 64051, 68978, 78832, 103467, 118248, 127344, 128102, 137956, 192153, 206934, 236496, 256204, 275912, 384306, 413868, 448357, 512408, 551824, 768612, 827736, 896714, 1024816, 1345071, 1537224, 1655472, 1793428, 2690142, 3074448, 3586856, 5380284, 7173712, 10760568, 21521136]

約数ペア:

[(1, 21521136), (2, 10760568), (3, 7173712), (4, 5380284), (6, 3586856), (7, 3074448), (8, 2690142), (12, 1793428), (13, 1655472), (14, 1537224), (16, 1345071), (21, 1024816), (24, 896714), (26, 827736), (28, 768612), (39, 551824), (42, 512408), (48, 448357), (52, 413868), (56, 384306), (78, 275912), (84, 256204), (91, 236496), (104, 206934), (112, 192153), (156, 137956), (168, 128102), (169, 127344), (182, 118248), (208, 103467), (273, 78832), (312, 68978), (336, 64051), (338, 63672), (364, 59124), (379, 56784), (507, 42448), (546, 39416), (624, 34489), (676, 31836), (728, 29562), (758, 28392), (1014, 21224), (1092, 19708), (1137, 18928), (1183, 18192), (1352, 15918), (1456, 14781), (1516, 14196), (2028, 10612), (2184, 9854), (2274, 9464), (2366, 9096), (2653, 8112), (2704, 7959), (3032, 7098), (3549, 6064), (4056, 5306), (4368, 4927), (4548, 4732)]