21007116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44887}}^1$

素因数の和:44910

約数の個数: 36

約数和(自身を含む): 57187312

約数和(自身を除く): 36180196

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44887, 89774, 134661, 179548, 269322, 403983, 538644, 583531, 807966, 1167062, 1615932, 1750593, 2334124, 3501186, 5251779, 7002372, 10503558, 21007116]

約数ペア:

[(1, 21007116), (2, 10503558), (3, 7002372), (4, 5251779), (6, 3501186), (9, 2334124), (12, 1750593), (13, 1615932), (18, 1167062), (26, 807966), (36, 583531), (39, 538644), (52, 403983), (78, 269322), (117, 179548), (156, 134661), (234, 89774), (468, 44887)]