21906170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15319}}^1$

素因数の和:15350

約数の個数: 32

約数和(自身を含む): 46327680

約数和(自身を除く): 24421510

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15319, 30638, 76595, 153190, 168509, 199147, 337018, 398294, 842545, 995735, 1685090, 1991470, 2190617, 4381234, 10953085, 21906170]

約数ペア:

[(1, 21906170), (2, 10953085), (5, 4381234), (10, 2190617), (11, 1991470), (13, 1685090), (22, 995735), (26, 842545), (55, 398294), (65, 337018), (110, 199147), (130, 168509), (143, 153190), (286, 76595), (715, 30638), (1430, 15319)]