21144810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1117}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 50873472

約数和(自身を除く): 29728662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 631, 1117, 1262, 1893, 2234, 3155, 3351, 3786, 5585, 6310, 6702, 9465, 11170, 16755, 18930, 33510, 704827, 1409654, 2114481, 3524135, 4228962, 7048270, 10572405, 21144810]

約数ペア:

[(1, 21144810), (2, 10572405), (3, 7048270), (5, 4228962), (6, 3524135), (10, 2114481), (15, 1409654), (30, 704827), (631, 33510), (1117, 18930), (1262, 16755), (1893, 11170), (2234, 9465), (3155, 6702), (3351, 6310), (3786, 5585)]