21996527

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 3685393

約数列:

[1, 7, 109, 127, 227, 763, 889, 1589, 13843, 24743, 28829, 96901, 173201, 201803, 3142361, 21996527]

約数ペア:

[(1, 21996527), (7, 3142361), (109, 201803), (127, 173201), (227, 96901), (763, 28829), (889, 24743), (1589, 13843)]