21521344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25867}}^1$

素因数の和:25892

約数の個数: 28

約数和(自身を含む): 45993304

約数和(自身を除く): 24471960

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25867, 51734, 103468, 206936, 336271, 413872, 672542, 827744, 1345084, 1655488, 2690168, 5380336, 10760672, 21521344]

約数ペア:

[(1, 21521344), (2, 10760672), (4, 5380336), (8, 2690168), (13, 1655488), (16, 1345084), (26, 827744), (32, 672542), (52, 413872), (64, 336271), (104, 206936), (208, 103468), (416, 51734), (832, 25867)]