21616870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10343}}^1$

素因数の和:10380

約数の個数: 32

約数和(自身を含む): 44686080

約数和(自身を除く): 23069210

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 10343, 20686, 51715, 103430, 113773, 196517, 227546, 393034, 568865, 982585, 1137730, 1965170, 2161687, 4323374, 10808435, 21616870]

約数ペア:

[(1, 21616870), (2, 10808435), (5, 4323374), (10, 2161687), (11, 1965170), (19, 1137730), (22, 982585), (38, 568865), (55, 393034), (95, 227546), (110, 196517), (190, 113773), (209, 103430), (418, 51715), (1045, 20686), (2090, 10343)]