21721146

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97843}}^1$

素因数の和:97885

約数の個数: 16

約数和(自身を含む): 44616864

約数和(自身を除く): 22895718

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 97843, 195686, 293529, 587058, 3620191, 7240382, 10860573, 21721146]

約数ペア:

[(1, 21721146), (2, 10860573), (3, 7240382), (6, 3620191), (37, 587058), (74, 293529), (111, 195686), (222, 97843)]