21575864

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4357}}^1$

素因数の和:4982

約数の個数: 16

約数和(自身を含む): 40529400

約数和(自身を除く): 18953536

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4357, 4952, 8714, 17428, 34856, 2696983, 5393966, 10787932, 21575864]

約数ペア:

[(1, 21575864), (2, 10787932), (4, 5393966), (8, 2696983), (619, 34856), (1238, 17428), (2476, 8714), (4357, 4952)]