21193564

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3167}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 42577920

約数和(自身を除く): 21384356

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3167, 3346, 6334, 6692, 12668, 22169, 44338, 88676, 756913, 1513826, 3027652, 5298391, 10596782, 21193564]

約数ペア:

[(1, 21193564), (2, 10596782), (4, 5298391), (7, 3027652), (14, 1513826), (28, 756913), (239, 88676), (478, 44338), (956, 22169), (1673, 12668), (3167, 6692), (3346, 6334)]