21498810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23117}}^1$

素因数の和:23158

約数の個数: 32

約数和(自身を含む): 53263872

約数和(自身を除く): 31765062

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23117, 46234, 69351, 115585, 138702, 231170, 346755, 693510, 716627, 1433254, 2149881, 3583135, 4299762, 7166270, 10749405, 21498810]

約数ペア:

[(1, 21498810), (2, 10749405), (3, 7166270), (5, 4299762), (6, 3583135), (10, 2149881), (15, 1433254), (30, 716627), (31, 693510), (62, 346755), (93, 231170), (155, 138702), (186, 115585), (310, 69351), (465, 46234), (930, 23117)]