21759824

素因数分解:

$2^4\times {\mathrm{577}}^1\times {\mathrm{2357}}^1$

素因数の和:2942

約数の個数: 20

約数和(自身を含む): 42250644

約数和(自身を除く): 20490820

約数列:

[1, 2, 4, 8, 16, 577, 1154, 2308, 2357, 4616, 4714, 9232, 9428, 18856, 37712, 1359989, 2719978, 5439956, 10879912, 21759824]

約数ペア:

[(1, 21759824), (2, 10879912), (4, 5439956), (8, 2719978), (16, 1359989), (577, 37712), (1154, 18856), (2308, 9428), (2357, 9232), (4616, 4714)]