21125862

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40471}}^1$

素因数の和:40508

約数の個数: 24

約数和(自身を含む): 47352240

約数和(自身を除く): 26226378

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40471, 80942, 121413, 242826, 364239, 728478, 1173659, 2347318, 3520977, 7041954, 10562931, 21125862]

約数ペア:

[(1, 21125862), (2, 10562931), (3, 7041954), (6, 3520977), (9, 2347318), (18, 1173659), (29, 728478), (58, 364239), (87, 242826), (174, 121413), (261, 80942), (522, 40471)]