21270408

素因数分解:

$2^3\times 3^1\times {\mathrm{853}}^1\times {\mathrm{1039}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 53289600

約数和(自身を除く): 32019192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 853, 1039, 1706, 2078, 2559, 3117, 3412, 4156, 5118, 6234, 6824, 8312, 10236, 12468, 20472, 24936, 886267, 1772534, 2658801, 3545068, 5317602, 7090136, 10635204, 21270408]

約数ペア:

[(1, 21270408), (2, 10635204), (3, 7090136), (4, 5317602), (6, 3545068), (8, 2658801), (12, 1772534), (24, 886267), (853, 24936), (1039, 20472), (1706, 12468), (2078, 10236), (2559, 8312), (3117, 6824), (3412, 6234), (4156, 5118)]