21354704

素因数分解:

$2^4\times 7^1\times {\mathrm{190667}}^1$

素因数の和:190682

約数の個数: 20

約数和(自身を含む): 47285664

約数和(自身を除く): 25930960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190667, 381334, 762668, 1334669, 1525336, 2669338, 3050672, 5338676, 10677352, 21354704]

約数ペア:

[(1, 21354704), (2, 10677352), (4, 5338676), (7, 3050672), (8, 2669338), (14, 1525336), (16, 1334669), (28, 762668), (56, 381334), (112, 190667)]