21919150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3623}}^1$

素因数の和:3657

約数の個数: 36

約数和(自身を含む): 44825256

約数和(自身を除く): 22906106

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3623, 6050, 7246, 18115, 36230, 39853, 79706, 90575, 181150, 199265, 398530, 438383, 876766, 996325, 1992650, 2191915, 4383830, 10959575, 21919150]

約数ペア:

[(1, 21919150), (2, 10959575), (5, 4383830), (10, 2191915), (11, 1992650), (22, 996325), (25, 876766), (50, 438383), (55, 398530), (110, 199265), (121, 181150), (242, 90575), (275, 79706), (550, 39853), (605, 36230), (1210, 18115), (3025, 7246), (3623, 6050)]