21179262

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 28494978

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 461, 494, 589, 741, 806, 922, 1178, 1209, 1383, 1482, 1767, 2418, 2766, 3534, 5993, 7657, 8759, 11986, 14291, 15314, 17518, 17979, 22971, 26277, 28582, 35958, 42873, 45942, 52554, 85746, 113867, 185783, 227734, 271529, 341601, 371566, 543058, 557349, 683202, 814587, 1114698, 1629174, 3529877, 7059754, 10589631, 21179262]

約数ペア:

[(1, 21179262), (2, 10589631), (3, 7059754), (6, 3529877), (13, 1629174), (19, 1114698), (26, 814587), (31, 683202), (38, 557349), (39, 543058), (57, 371566), (62, 341601), (78, 271529), (93, 227734), (114, 185783), (186, 113867), (247, 85746), (403, 52554), (461, 45942), (494, 42873), (589, 35958), (741, 28582), (806, 26277), (922, 22971), (1178, 17979), (1209, 17518), (1383, 15314), (1482, 14291), (1767, 11986), (2418, 8759), (2766, 7657), (3534, 5993)]