21525200

素因数分解:

$2^4\times 5^2\times {\mathrm{53813}}^1$

素因数の和:53831

約数の個数: 30

約数和(自身を含む): 51715254

約数和(自身を除く): 30190054

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53813, 107626, 215252, 269065, 430504, 538130, 861008, 1076260, 1345325, 2152520, 2690650, 4305040, 5381300, 10762600, 21525200]

約数ペア:

[(1, 21525200), (2, 10762600), (4, 5381300), (5, 4305040), (8, 2690650), (10, 2152520), (16, 1345325), (20, 1076260), (25, 861008), (40, 538130), (50, 430504), (80, 269065), (100, 215252), (200, 107626), (400, 53813)]