21194348530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{52163}}^1$

素因数の和:53202

約数の個数: 32

約数和(自身を含む): 39120496128

約数和(自身を除く): 17926147598

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 991, 1982, 4955, 9910, 40631, 52163, 81262, 104326, 203155, 260815, 406310, 521630, 2138683, 4277366, 10693415, 21386830, 51693533, 103387066, 258467665, 516935330, 2119434853, 4238869706, 10597174265, 21194348530]

約数ペア:

[(1, 21194348530), (2, 10597174265), (5, 4238869706), (10, 2119434853), (41, 516935330), (82, 258467665), (205, 103387066), (410, 51693533), (991, 21386830), (1982, 10693415), (4955, 4277366), (9910, 2138683), (40631, 521630), (52163, 406310), (81262, 260815), (104326, 203155)]