21000971718

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3800393}}^1$

素因数の和:3800708

約数の個数: 24

約数和(自身を含む): 45650332728

約数和(自身を除く): 24649361010

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 5526, 3800393, 7600786, 11401179, 22802358, 34203537, 68407074, 1166720651, 2333441302, 3500161953, 7000323906, 10500485859, 21000971718]

約数ペア:

[(1, 21000971718), (2, 10500485859), (3, 7000323906), (6, 3500161953), (9, 2333441302), (18, 1166720651), (307, 68407074), (614, 34203537), (921, 22802358), (1842, 11401179), (2763, 7600786), (5526, 3800393)]