21031320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175261}}^1$

素因数の和:175275

約数の個数: 32

約数和(自身を含む): 63094320

約数和(自身を除く): 42063000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175261, 350522, 525783, 701044, 876305, 1051566, 1402088, 1752610, 2103132, 2628915, 3505220, 4206264, 5257830, 7010440, 10515660, 21031320]

約数ペア:

[(1, 21031320), (2, 10515660), (3, 7010440), (4, 5257830), (5, 4206264), (6, 3505220), (8, 2628915), (10, 2103132), (12, 1752610), (15, 1402088), (20, 1051566), (24, 876305), (30, 701044), (40, 525783), (60, 350522), (120, 175261)]