21227600

素因数分解:

$2^4\times 5^2\times {\mathrm{53069}}^1$

素因数の和:53087

約数の個数: 30

約数和(自身を含む): 51000270

約数和(自身を除く): 29772670

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53069, 106138, 212276, 265345, 424552, 530690, 849104, 1061380, 1326725, 2122760, 2653450, 4245520, 5306900, 10613800, 21227600]

約数ペア:

[(1, 21227600), (2, 10613800), (4, 5306900), (5, 4245520), (8, 2653450), (10, 2122760), (16, 1326725), (20, 1061380), (25, 849104), (40, 530690), (50, 424552), (80, 265345), (100, 212276), (200, 106138), (400, 53069)]