21048540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350809}}^1$

素因数の和:350821

約数の個数: 24

約数和(自身を含む): 58936080

約数和(自身を除く): 37887540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350809, 701618, 1052427, 1403236, 1754045, 2104854, 3508090, 4209708, 5262135, 7016180, 10524270, 21048540]

約数ペア:

[(1, 21048540), (2, 10524270), (3, 7016180), (4, 5262135), (5, 4209708), (6, 3508090), (10, 2104854), (12, 1754045), (15, 1403236), (20, 1052427), (30, 701618), (60, 350809)]