21410950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3539}}^1$

素因数の和:3573

約数の個数: 36

約数和(自身を含む): 43786260

約数和(自身を除く): 22375310

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3539, 6050, 7078, 17695, 35390, 38929, 77858, 88475, 176950, 194645, 389290, 428219, 856438, 973225, 1946450, 2141095, 4282190, 10705475, 21410950]

約数ペア:

[(1, 21410950), (2, 10705475), (5, 4282190), (10, 2141095), (11, 1946450), (22, 973225), (25, 856438), (50, 428219), (55, 389290), (110, 194645), (121, 176950), (242, 88475), (275, 77858), (550, 38929), (605, 35390), (1210, 17695), (3025, 7078), (3539, 6050)]