21211620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353527}}^1$

素因数の和:353539

約数の個数: 24

約数和(自身を含む): 59392704

約数和(自身を除く): 38181084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353527, 707054, 1060581, 1414108, 1767635, 2121162, 3535270, 4242324, 5302905, 7070540, 10605810, 21211620]

約数ペア:

[(1, 21211620), (2, 10605810), (3, 7070540), (4, 5302905), (5, 4242324), (6, 3535270), (10, 2121162), (12, 1767635), (15, 1414108), (20, 1060581), (30, 707054), (60, 353527)]