21494580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358243}}^1$

素因数の和:358255

約数の個数: 24

約数和(自身を含む): 60184992

約数和(自身を除く): 38690412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358243, 716486, 1074729, 1432972, 1791215, 2149458, 3582430, 4298916, 5373645, 7164860, 10747290, 21494580]

約数ペア:

[(1, 21494580), (2, 10747290), (3, 7164860), (4, 5373645), (5, 4298916), (6, 3582430), (10, 2149458), (12, 1791215), (15, 1432972), (20, 1074729), (30, 716486), (60, 358243)]