21355376

素因数分解:

$2^4\times 7^2\times {\mathrm{27239}}^1$

素因数の和:27261

約数の個数: 30

約数和(自身を含む): 48133080

約数和(自身を除く): 26777704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27239, 54478, 108956, 190673, 217912, 381346, 435824, 762692, 1334711, 1525384, 2669422, 3050768, 5338844, 10677688, 21355376]

約数ペア:

[(1, 21355376), (2, 10677688), (4, 5338844), (7, 3050768), (8, 2669422), (14, 1525384), (16, 1334711), (28, 762692), (49, 435824), (56, 381346), (98, 217912), (112, 190673), (196, 108956), (392, 54478), (784, 27239)]