21351480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177929}}^1$

素因数の和:177943

約数の個数: 32

約数和(自身を含む): 64054800

約数和(自身を除く): 42703320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177929, 355858, 533787, 711716, 889645, 1067574, 1423432, 1779290, 2135148, 2668935, 3558580, 4270296, 5337870, 7117160, 10675740, 21351480]

約数ペア:

[(1, 21351480), (2, 10675740), (3, 7117160), (4, 5337870), (5, 4270296), (6, 3558580), (8, 2668935), (10, 2135148), (12, 1779290), (15, 1423432), (20, 1067574), (24, 889645), (30, 711716), (40, 533787), (60, 355858), (120, 177929)]