21470570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10273}}^1$

素因数の和:10310

約数の個数: 32

約数和(自身を含む): 44383680

約数和(自身を除く): 22913110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 10273, 20546, 51365, 102730, 113003, 195187, 226006, 390374, 565015, 975935, 1130030, 1951870, 2147057, 4294114, 10735285, 21470570]

約数ペア:

[(1, 21470570), (2, 10735285), (5, 4294114), (10, 2147057), (11, 1951870), (19, 1130030), (22, 975935), (38, 565015), (55, 390374), (95, 226006), (110, 195187), (190, 113003), (209, 102730), (418, 51365), (1045, 20546), (2090, 10273)]