21812360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32077}}^1$

素因数の和:32105

約数の個数: 32

約数和(自身を含む): 51966360

約数和(自身を除く): 30154000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32077, 64154, 128308, 160385, 256616, 320770, 545309, 641540, 1090618, 1283080, 2181236, 2726545, 4362472, 5453090, 10906180, 21812360]

約数ペア:

[(1, 21812360), (2, 10906180), (4, 5453090), (5, 4362472), (8, 2726545), (10, 2181236), (17, 1283080), (20, 1090618), (34, 641540), (40, 545309), (68, 320770), (85, 256616), (136, 160385), (170, 128308), (340, 64154), (680, 32077)]