21252050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13711}}^1$

素因数の和:13754

約数の個数: 24

約数和(自身を含む): 40806912

約数和(自身を除く): 19554862

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13711, 27422, 68555, 137110, 342775, 425041, 685550, 850082, 2125205, 4250410, 10626025, 21252050]

約数ペア:

[(1, 21252050), (2, 10626025), (5, 4250410), (10, 2125205), (25, 850082), (31, 685550), (50, 425041), (62, 342775), (155, 137110), (310, 68555), (775, 27422), (1550, 13711)]