21225060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117917}}^1$

素因数の和:117932

約数の個数: 36

約数和(自身を含む): 64383228

約数和(自身を除く): 43158168

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117917, 235834, 353751, 471668, 589585, 707502, 1061253, 1179170, 1415004, 1768755, 2122506, 2358340, 3537510, 4245012, 5306265, 7075020, 10612530, 21225060]

約数ペア:

[(1, 21225060), (2, 10612530), (3, 7075020), (4, 5306265), (5, 4245012), (6, 3537510), (9, 2358340), (10, 2122506), (12, 1768755), (15, 1415004), (18, 1179170), (20, 1061253), (30, 707502), (36, 589585), (45, 471668), (60, 353751), (90, 235834), (180, 117917)]