21128045658

素因数分解:

$2^1\times 3^1\times {\mathrm{4523}}^1\times {\mathrm{778541}}^1$

素因数の和:783069

約数の個数: 16

約数和(自身を含む): 42265488096

約数和(自身を除く): 21137442438

約数列:

[1, 2, 3, 6, 4523, 9046, 13569, 27138, 778541, 1557082, 2335623, 4671246, 3521340943, 7042681886, 10564022829, 21128045658]

約数ペア:

[(1, 21128045658), (2, 10564022829), (3, 7042681886), (6, 3521340943), (4523, 4671246), (9046, 2335623), (13569, 1557082), (27138, 778541)]