21133090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8353}}^1$

素因数の和:8394

約数の個数: 32

約数和(自身を含む): 43307136

約数和(自身を除く): 22174046

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8353, 16706, 41765, 83530, 91883, 183766, 192119, 384238, 459415, 918830, 960595, 1921190, 2113309, 4226618, 10566545, 21133090]

約数ペア:

[(1, 21133090), (2, 10566545), (5, 4226618), (10, 2113309), (11, 1921190), (22, 960595), (23, 918830), (46, 459415), (55, 384238), (110, 192119), (115, 183766), (230, 91883), (253, 83530), (506, 41765), (1265, 16706), (2530, 8353)]