21051790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1151}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 18761330

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1151, 1829, 2302, 3658, 5755, 9145, 11510, 18290, 35681, 67909, 71362, 135818, 178405, 339545, 356810, 679090, 2105179, 4210358, 10525895, 21051790]

約数ペア:

[(1, 21051790), (2, 10525895), (5, 4210358), (10, 2105179), (31, 679090), (59, 356810), (62, 339545), (118, 178405), (155, 135818), (295, 71362), (310, 67909), (590, 35681), (1151, 18290), (1829, 11510), (2302, 9145), (3658, 5755)]