21131150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13633}}^1$

素因数の和:13676

約数の個数: 24

約数和(自身を含む): 40574784

約数和(自身を除く): 19443634

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13633, 27266, 68165, 136330, 340825, 422623, 681650, 845246, 2113115, 4226230, 10565575, 21131150]

約数ペア:

[(1, 21131150), (2, 10565575), (5, 4226230), (10, 2113115), (25, 845246), (31, 681650), (50, 422623), (62, 340825), (155, 136330), (310, 68165), (775, 27266), (1550, 13633)]