21525712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2855

約数の個数: 40

約数和(自身を含む): 46144616

約数和(自身を除く): 24618904

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2797, 3848, 5594, 7696, 11188, 22376, 36361, 44752, 72722, 103489, 145444, 206978, 290888, 413956, 581776, 827912, 1345357, 1655824, 2690714, 5381428, 10762856, 21525712]

約数ペア:

[(1, 21525712), (2, 10762856), (4, 5381428), (8, 2690714), (13, 1655824), (16, 1345357), (26, 827912), (37, 581776), (52, 413956), (74, 290888), (104, 206978), (148, 145444), (208, 103489), (296, 72722), (481, 44752), (592, 36361), (962, 22376), (1924, 11188), (2797, 7696), (3848, 5594)]