21601892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5939

約数の個数: 24

約数和(自身を含む): 41291712

約数和(自身を除く): 19689820

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5851, 11702, 23404, 76063, 152126, 304252, 415421, 830842, 1661684, 5400473, 10800946, 21601892]

約数ペア:

[(1, 21601892), (2, 10800946), (4, 5400473), (13, 1661684), (26, 830842), (52, 415421), (71, 304252), (142, 152126), (284, 76063), (923, 23404), (1846, 11702), (3692, 5851)]