21533408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1459

約数の個数: 48

約数和(自身を含む): 46922400

約数和(自身を除く): 25388992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1399, 1924, 2798, 3848, 5596, 7696, 11192, 15392, 18187, 22384, 36374, 44768, 51763, 72748, 103526, 145496, 207052, 290992, 414104, 581984, 672919, 828208, 1345838, 1656416, 2691676, 5383352, 10766704, 21533408]

約数ペア:

[(1, 21533408), (2, 10766704), (4, 5383352), (8, 2691676), (13, 1656416), (16, 1345838), (26, 828208), (32, 672919), (37, 581984), (52, 414104), (74, 290992), (104, 207052), (148, 145496), (208, 103526), (296, 72748), (416, 51763), (481, 44768), (592, 36374), (962, 22384), (1184, 18187), (1399, 15392), (1924, 11192), (2798, 7696), (3848, 5596)]