21778666

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7039}}^1$

素因数の和:7078

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 20799254

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 7039, 14078, 49273, 91507, 98546, 119663, 183014, 239326, 640549, 837641, 1281098, 1555619, 1675282, 3111238, 10889333, 21778666]

約数ペア:

[(1, 21778666), (2, 10889333), (7, 3111238), (13, 1675282), (14, 1555619), (17, 1281098), (26, 837641), (34, 640549), (91, 239326), (119, 183014), (182, 119663), (221, 98546), (238, 91507), (442, 49273), (1547, 14078), (3094, 7039)]