21049798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2579}}^1$

素因数の和:2652

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 19074362

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 2579, 4081, 5158, 8162, 18053, 28369, 36106, 56738, 136687, 198583, 273374, 397166, 956809, 1503557, 1913618, 3007114, 10524899, 21049798]

約数ペア:

[(1, 21049798), (2, 10524899), (7, 3007114), (11, 1913618), (14, 1503557), (22, 956809), (53, 397166), (77, 273374), (106, 198583), (154, 136687), (371, 56738), (583, 36106), (742, 28369), (1166, 18053), (2579, 8162), (4081, 5158)]