21632830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2844

約数の個数: 32

約数和(自身を含む): 42003360

約数和(自身を除く): 20370530

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2777, 3895, 5554, 7790, 13885, 27770, 52763, 105526, 113857, 227714, 263815, 527630, 569285, 1138570, 2163283, 4326566, 10816415, 21632830]

約数ペア:

[(1, 21632830), (2, 10816415), (5, 4326566), (10, 2163283), (19, 1138570), (38, 569285), (41, 527630), (82, 263815), (95, 227714), (190, 113857), (205, 105526), (410, 52763), (779, 27770), (1558, 13885), (2777, 7790), (3895, 5554)]