21975060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1193}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 61782336

約数和(自身を除く): 39807276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1193, 1228, 1535, 1842, 2386, 3070, 3579, 3684, 4605, 4772, 5965, 6140, 7158, 9210, 11930, 14316, 17895, 18420, 23860, 35790, 71580, 366251, 732502, 1098753, 1465004, 1831255, 2197506, 3662510, 4395012, 5493765, 7325020, 10987530, 21975060]

約数ペア:

[(1, 21975060), (2, 10987530), (3, 7325020), (4, 5493765), (5, 4395012), (6, 3662510), (10, 2197506), (12, 1831255), (15, 1465004), (20, 1098753), (30, 732502), (60, 366251), (307, 71580), (614, 35790), (921, 23860), (1193, 18420), (1228, 17895), (1535, 14316), (1842, 11930), (2386, 9210), (3070, 7158), (3579, 6140), (3684, 5965), (4605, 4772)]