21358688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51343}}^1$

素因数の和:51366

約数の個数: 24

約数和(自身を含む): 45285408

約数和(自身を除く): 23926720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51343, 102686, 205372, 410744, 667459, 821488, 1334918, 1642976, 2669836, 5339672, 10679344, 21358688]

約数ペア:

[(1, 21358688), (2, 10679344), (4, 5339672), (8, 2669836), (13, 1642976), (16, 1334918), (26, 821488), (32, 667459), (52, 410744), (104, 205372), (208, 102686), (416, 51343)]