21829730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12917}}^1$

素因数の和:12950

約数の個数: 24

約数和(自身を含む): 42551892

約数和(自身を除く): 20722162

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12917, 25834, 64585, 129170, 167921, 335842, 839605, 1679210, 2182973, 4365946, 10914865, 21829730]

約数ペア:

[(1, 21829730), (2, 10914865), (5, 4365946), (10, 2182973), (13, 1679210), (26, 839605), (65, 335842), (130, 167921), (169, 129170), (338, 64585), (845, 25834), (1690, 12917)]