21656065249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1\times {\mathrm{1091}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 26799252480

約数和(自身を除く): 5143187231

約数列:

[1, 7, 13, 91, 331, 659, 1091, 2317, 4303, 4613, 7637, 8567, 14183, 30121, 59969, 99281, 218129, 361121, 718969, 1526903, 2527847, 2835677, 4694573, 5032783, 9346597, 19849739, 32862011, 65426179, 237978739, 1665851173, 3093723607, 21656065249]

約数ペア:

[(1, 21656065249), (7, 3093723607), (13, 1665851173), (91, 237978739), (331, 65426179), (659, 32862011), (1091, 19849739), (2317, 9346597), (4303, 5032783), (4613, 4694573), (7637, 2835677), (8567, 2527847), (14183, 1526903), (30121, 718969), (59969, 361121), (99281, 218129)]