21551698

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 38649600

約数和(自身を除く): 17097902

約数列:

[1, 2, 7, 14, 29, 58, 109, 203, 218, 406, 487, 763, 974, 1526, 3161, 3409, 6322, 6818, 14123, 22127, 28246, 44254, 53083, 98861, 106166, 197722, 371581, 743162, 1539407, 3078814, 10775849, 21551698]

約数ペア:

[(1, 21551698), (2, 10775849), (7, 3078814), (14, 1539407), (29, 743162), (58, 371581), (109, 197722), (203, 106166), (218, 98861), (406, 53083), (487, 44254), (763, 28246), (974, 22127), (1526, 14123), (3161, 6818), (3409, 6322)]