21353984

素因数分解:

$2^9\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:430

約数の個数: 40

約数和(自身を含む): 43088760

約数和(自身を除く): 21734776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 233, 256, 358, 466, 512, 716, 932, 1432, 1864, 2864, 3728, 5728, 7456, 11456, 14912, 22912, 29824, 41707, 45824, 59648, 83414, 91648, 119296, 166828, 333656, 667312, 1334624, 2669248, 5338496, 10676992, 21353984]

約数ペア:

[(1, 21353984), (2, 10676992), (4, 5338496), (8, 2669248), (16, 1334624), (32, 667312), (64, 333656), (128, 166828), (179, 119296), (233, 91648), (256, 83414), (358, 59648), (466, 45824), (512, 41707), (716, 29824), (932, 22912), (1432, 14912), (1864, 11456), (2864, 7456), (3728, 5728)]