21354256

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17333}}^1$

素因数の和:17359

約数の個数: 40

約数和(自身を含む): 51585984

約数和(自身を除く): 30231728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17333, 34666, 69332, 121331, 138664, 190663, 242662, 277328, 381326, 485324, 762652, 970648, 1334641, 1525304, 1941296, 2669282, 3050608, 5338564, 10677128, 21354256]

約数ペア:

[(1, 21354256), (2, 10677128), (4, 5338564), (7, 3050608), (8, 2669282), (11, 1941296), (14, 1525304), (16, 1334641), (22, 970648), (28, 762652), (44, 485324), (56, 381326), (77, 277328), (88, 242662), (112, 190663), (154, 138664), (176, 121331), (308, 69332), (616, 34666), (1232, 17333)]