21409792

素因数分解:

$2^{12}\times {\mathrm{5227}}^1$

素因数の和:5251

約数の個数: 26

約数和(自身を含む): 42822548

約数和(自身を除く): 21412756

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 5227, 10454, 20908, 41816, 83632, 167264, 334528, 669056, 1338112, 2676224, 5352448, 10704896, 21409792]

約数ペア:

[(1, 21409792), (2, 10704896), (4, 5352448), (8, 2676224), (16, 1338112), (32, 669056), (64, 334528), (128, 167264), (256, 83632), (512, 41816), (1024, 20908), (2048, 10454), (4096, 5227)]