21403260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118907}}^1$

素因数の和:118922

約数の個数: 36

約数和(自身を含む): 64923768

約数和(自身を除く): 43520508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118907, 237814, 356721, 475628, 594535, 713442, 1070163, 1189070, 1426884, 1783605, 2140326, 2378140, 3567210, 4280652, 5350815, 7134420, 10701630, 21403260]

約数ペア:

[(1, 21403260), (2, 10701630), (3, 7134420), (4, 5350815), (5, 4280652), (6, 3567210), (9, 2378140), (10, 2140326), (12, 1783605), (15, 1426884), (18, 1189070), (20, 1070163), (30, 713442), (36, 594535), (45, 475628), (60, 356721), (90, 237814), (180, 118907)]