21166030708

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{983}}^1\times {\mathrm{145487}}^1$

素因数の和:146511

約数の個数: 24

約数和(自身を含む): 38080611072

約数和(自身を除く): 16914580364

約数列:

[1, 2, 4, 37, 74, 148, 983, 1966, 3932, 36371, 72742, 145484, 145487, 290974, 581948, 5383019, 10766038, 21532076, 143013721, 286027442, 572054884, 5291507677, 10583015354, 21166030708]

約数ペア:

[(1, 21166030708), (2, 10583015354), (4, 5291507677), (37, 572054884), (74, 286027442), (148, 143013721), (983, 21532076), (1966, 10766038), (3932, 5383019), (36371, 581948), (72742, 290974), (145484, 145487)]