21703935057

素因数分解:

$3^1\times 7^1\times {\mathrm{4139}}^1\times {\mathrm{249703}}^1$

素因数の和:253852

約数の個数: 16

約数和(自身を含む): 33080785920

約数和(自身を除く): 11376850863

約数列:

[1, 3, 7, 21, 4139, 12417, 28973, 86919, 249703, 749109, 1747921, 5243763, 1033520717, 3100562151, 7234645019, 21703935057]

約数ペア:

[(1, 21703935057), (3, 7234645019), (7, 3100562151), (21, 1033520717), (4139, 5243763), (12417, 1747921), (28973, 749109), (86919, 249703)]