21580764

素因数分解:

$2^2\times 3^1\times {\mathrm{349}}^1\times {\mathrm{5153}}^1$

素因数の和:5509

約数の個数: 24

約数和(自身を含む): 50509200

約数和(自身を除く): 28928436

約数列:

[1, 2, 3, 4, 6, 12, 349, 698, 1047, 1396, 2094, 4188, 5153, 10306, 15459, 20612, 30918, 61836, 1798397, 3596794, 5395191, 7193588, 10790382, 21580764]

約数ペア:

[(1, 21580764), (2, 10790382), (3, 7193588), (4, 5395191), (6, 3596794), (12, 1798397), (349, 61836), (698, 30918), (1047, 20612), (1396, 15459), (2094, 10306), (4188, 5153)]