21533552

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2357}}^1$

素因数の和:2936

約数の個数: 20

約数和(自身を含む): 41812056

約数和(自身を除く): 20278504

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 2357, 4568, 4714, 9136, 9428, 18856, 37712, 1345847, 2691694, 5383388, 10766776, 21533552]

約数ペア:

[(1, 21533552), (2, 10766776), (4, 5383388), (8, 2691694), (16, 1345847), (571, 37712), (1142, 18856), (2284, 9428), (2357, 9136), (4568, 4714)]