21783942

素因数分解:

$2^1\times 3^2\times {\mathrm{179}}^1\times {\mathrm{6761}}^1$

素因数の和:6948

約数の個数: 24

約数和(自身を含む): 47469240

約数和(自身を除く): 25685298

約数列:

[1, 2, 3, 6, 9, 18, 179, 358, 537, 1074, 1611, 3222, 6761, 13522, 20283, 40566, 60849, 121698, 1210219, 2420438, 3630657, 7261314, 10891971, 21783942]

約数ペア:

[(1, 21783942), (2, 10891971), (3, 7261314), (6, 3630657), (9, 2420438), (18, 1210219), (179, 121698), (358, 60849), (537, 40566), (1074, 20283), (1611, 13522), (3222, 6761)]