21967550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3631}}^1$

素因数の和:3665

約数の個数: 36

約数和(自身を含む): 44924208

約数和(自身を除く): 22956658

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3631, 6050, 7262, 18155, 36310, 39941, 79882, 90775, 181550, 199705, 399410, 439351, 878702, 998525, 1997050, 2196755, 4393510, 10983775, 21967550]

約数ペア:

[(1, 21967550), (2, 10983775), (5, 4393510), (10, 2196755), (11, 1997050), (22, 998525), (25, 878702), (50, 439351), (55, 399410), (110, 199705), (121, 181550), (242, 90775), (275, 79882), (550, 39941), (605, 36310), (1210, 18155), (3025, 7262), (3631, 6050)]