21137047010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1787}}^1\times {\mathrm{40787}}^1$

素因数の和:42610

約数の個数: 32

約数和(自身を含む): 39381629760

約数和(自身を除く): 18244582750

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1787, 3574, 8935, 17870, 40787, 51823, 81574, 103646, 203935, 259115, 407870, 518230, 1182823, 2365646, 5914115, 11828230, 72886369, 145772738, 364431845, 728863690, 2113704701, 4227409402, 10568523505, 21137047010]

約数ペア:

[(1, 21137047010), (2, 10568523505), (5, 4227409402), (10, 2113704701), (29, 728863690), (58, 364431845), (145, 145772738), (290, 72886369), (1787, 11828230), (3574, 5914115), (8935, 2365646), (17870, 1182823), (40787, 518230), (51823, 407870), (81574, 259115), (103646, 203935)]