21518520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179321}}^1$

素因数の和:179335

約数の個数: 32

約数和(自身を含む): 64555920

約数和(自身を除く): 43037400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179321, 358642, 537963, 717284, 896605, 1075926, 1434568, 1793210, 2151852, 2689815, 3586420, 4303704, 5379630, 7172840, 10759260, 21518520]

約数ペア:

[(1, 21518520), (2, 10759260), (3, 7172840), (4, 5379630), (5, 4303704), (6, 3586420), (8, 2689815), (10, 2151852), (12, 1793210), (15, 1434568), (20, 1075926), (24, 896605), (30, 717284), (40, 537963), (60, 358642), (120, 179321)]