21931893

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 32610240

約数和(自身を除く): 10678347

約数列:

[1, 3, 9, 59, 103, 177, 309, 401, 531, 927, 1203, 3609, 6077, 18231, 23659, 41303, 54693, 70977, 123909, 212931, 371727, 2436877, 7310631, 21931893]

約数ペア:

[(1, 21931893), (3, 7310631), (9, 2436877), (59, 371727), (103, 212931), (177, 123909), (309, 70977), (401, 54693), (531, 41303), (927, 23659), (1203, 18231), (3609, 6077)]