21786984968

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{277301}}^1$

素因数の和:277398

約数の個数: 64

約数和(自身を含む): 49515045120

約数和(自身を除く): 27728060152

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 427, 488, 644, 854, 1288, 1403, 1708, 2806, 3416, 5612, 9821, 11224, 19642, 39284, 78568, 277301, 554602, 1109204, 1941107, 2218408, 3882214, 6377923, 7764428, 12755846, 15528856, 16915361, 25511692, 33830722, 44645461, 51023384, 67661444, 89290922, 118407527, 135322888, 178581844, 236815054, 357163688, 389053303, 473630108, 778106606, 947260216, 1556213212, 2723373121, 3112426424, 5446746242, 10893492484, 21786984968]

約数ペア:

[(1, 21786984968), (2, 10893492484), (4, 5446746242), (7, 3112426424), (8, 2723373121), (14, 1556213212), (23, 947260216), (28, 778106606), (46, 473630108), (56, 389053303), (61, 357163688), (92, 236815054), (122, 178581844), (161, 135322888), (184, 118407527), (244, 89290922), (322, 67661444), (427, 51023384), (488, 44645461), (644, 33830722), (854, 25511692), (1288, 16915361), (1403, 15528856), (1708, 12755846), (2806, 7764428), (3416, 6377923), (5612, 3882214), (9821, 2218408), (11224, 1941107), (19642, 1109204), (39284, 554602), (78568, 277301)]