21026278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5023}}^1$

素因数の和:5068

約数の個数: 32

約数和(自身を含む): 40513536

約数和(自身を除く): 19487258

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5023, 10046, 35161, 65299, 70322, 115529, 130598, 231058, 457093, 808703, 914186, 1501877, 1617406, 3003754, 10513139, 21026278]

約数ペア:

[(1, 21026278), (2, 10513139), (7, 3003754), (13, 1617406), (14, 1501877), (23, 914186), (26, 808703), (46, 457093), (91, 231058), (161, 130598), (182, 115529), (299, 70322), (322, 65299), (598, 35161), (2093, 10046), (4186, 5023)]