21353332

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5333}}^1$

素因数の和:5368

約数の個数: 48

約数和(自身を含む): 50182272

約数和(自身を除く): 28828940

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5333, 10666, 21332, 37331, 58663, 69329, 74662, 117326, 138658, 149324, 234652, 277316, 410641, 485303, 762619, 821282, 970606, 1525238, 1642564, 1941212, 3050476, 5338333, 10676666, 21353332]

約数ペア:

[(1, 21353332), (2, 10676666), (4, 5338333), (7, 3050476), (11, 1941212), (13, 1642564), (14, 1525238), (22, 970606), (26, 821282), (28, 762619), (44, 485303), (52, 410641), (77, 277316), (91, 234652), (143, 149324), (154, 138658), (182, 117326), (286, 74662), (308, 69329), (364, 58663), (572, 37331), (1001, 21332), (2002, 10666), (4004, 5333)]