21312984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 70041600

約数和(自身を除く): 48728616

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 56, 57, 66, 76, 77, 84, 88, 114, 132, 133, 152, 154, 168, 209, 228, 231, 264, 266, 308, 399, 418, 456, 462, 532, 607, 616, 627, 798, 836, 924, 1064, 1214, 1254, 1463, 1596, 1672, 1821, 1848, 2428, 2508, 2926, 3192, 3642, 4249, 4389, 4856, 5016, 5852, 6677, 7284, 8498, 8778, 11533, 11704, 12747, 13354, 14568, 16996, 17556, 20031, 23066, 25494, 26708, 33992, 34599, 35112, 40062, 46132, 46739, 50988, 53416, 69198, 80124, 80731, 92264, 93478, 101976, 126863, 138396, 140217, 160248, 161462, 186956, 242193, 253726, 276792, 280434, 322924, 373912, 380589, 484386, 507452, 560868, 645848, 761178, 888041, 968772, 1014904, 1121736, 1522356, 1776082, 1937544, 2664123, 3044712, 3552164, 5328246, 7104328, 10656492, 21312984]

約数ペア:

[(1, 21312984), (2, 10656492), (3, 7104328), (4, 5328246), (6, 3552164), (7, 3044712), (8, 2664123), (11, 1937544), (12, 1776082), (14, 1522356), (19, 1121736), (21, 1014904), (22, 968772), (24, 888041), (28, 761178), (33, 645848), (38, 560868), (42, 507452), (44, 484386), (56, 380589), (57, 373912), (66, 322924), (76, 280434), (77, 276792), (84, 253726), (88, 242193), (114, 186956), (132, 161462), (133, 160248), (152, 140217), (154, 138396), (168, 126863), (209, 101976), (228, 93478), (231, 92264), (264, 80731), (266, 80124), (308, 69198), (399, 53416), (418, 50988), (456, 46739), (462, 46132), (532, 40062), (607, 35112), (616, 34599), (627, 33992), (798, 26708), (836, 25494), (924, 23066), (1064, 20031), (1214, 17556), (1254, 16996), (1463, 14568), (1596, 13354), (1672, 12747), (1821, 11704), (1848, 11533), (2428, 8778), (2508, 8498), (2926, 7284), (3192, 6677), (3642, 5852), (4249, 5016), (4389, 4856)]