21359936

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25673}}^1$

素因数の和:25698

約数の個数: 28

約数和(自身を含む): 45648372

約数和(自身を除く): 24288436

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25673, 51346, 102692, 205384, 333749, 410768, 667498, 821536, 1334996, 1643072, 2669992, 5339984, 10679968, 21359936]

約数ペア:

[(1, 21359936), (2, 10679968), (4, 5339984), (8, 2669992), (13, 1643072), (16, 1334996), (26, 821536), (32, 667498), (52, 410768), (64, 333749), (104, 205384), (208, 102692), (416, 51346), (832, 25673)]