21385100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19441}}^1$

素因数の和:19466

約数の個数: 36

約数和(自身を含む): 50626968

約数和(自身を除く): 29241868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19441, 38882, 77764, 97205, 194410, 213851, 388820, 427702, 486025, 855404, 972050, 1069255, 1944100, 2138510, 4277020, 5346275, 10692550, 21385100]

約数ペア:

[(1, 21385100), (2, 10692550), (4, 5346275), (5, 4277020), (10, 2138510), (11, 1944100), (20, 1069255), (22, 972050), (25, 855404), (44, 486025), (50, 427702), (55, 388820), (100, 213851), (110, 194410), (220, 97205), (275, 77764), (550, 38882), (1100, 19441)]