21744320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5227}}^1$

素因数の和:5257

約数の個数: 56

約数和(自身を含む): 55772304

約数和(自身を除く): 34027984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 5227, 10454, 20908, 26135, 41816, 52270, 67951, 83632, 104540, 135902, 167264, 209080, 271804, 334528, 339755, 418160, 543608, 679510, 836320, 1087216, 1359020, 1672640, 2174432, 2718040, 4348864, 5436080, 10872160, 21744320]

約数ペア:

[(1, 21744320), (2, 10872160), (4, 5436080), (5, 4348864), (8, 2718040), (10, 2174432), (13, 1672640), (16, 1359020), (20, 1087216), (26, 836320), (32, 679510), (40, 543608), (52, 418160), (64, 339755), (65, 334528), (80, 271804), (104, 209080), (130, 167264), (160, 135902), (208, 104540), (260, 83632), (320, 67951), (416, 52270), (520, 41816), (832, 26135), (1040, 20908), (2080, 10454), (4160, 5227)]