21424910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5683}}^1$

素因数の和:5732

約数の個数: 32

約数和(自身を含む): 42971040

約数和(自身を除く): 21546130

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5683, 11366, 28415, 56830, 73879, 147758, 164807, 329614, 369395, 738790, 824035, 1648070, 2142491, 4284982, 10712455, 21424910]

約数ペア:

[(1, 21424910), (2, 10712455), (5, 4284982), (10, 2142491), (13, 1648070), (26, 824035), (29, 738790), (58, 369395), (65, 329614), (130, 164807), (145, 147758), (290, 73879), (377, 56830), (754, 28415), (1885, 11366), (3770, 5683)]