21996783

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 32691360

約数和(自身を除く): 10694577

約数列:

[1, 3, 9, 61, 103, 183, 309, 389, 549, 927, 1167, 3501, 6283, 18849, 23729, 40067, 56547, 71187, 120201, 213561, 360603, 2444087, 7332261, 21996783]

約数ペア:

[(1, 21996783), (3, 7332261), (9, 2444087), (61, 360603), (103, 213561), (183, 120201), (309, 71187), (389, 56547), (549, 40067), (927, 23729), (1167, 18849), (3501, 6283)]