21222738

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{11447}}^1$

素因数の和:11558

約数の個数: 24

約数和(自身を含む): 46433088

約数和(自身を除く): 25210350

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 11447, 22894, 34341, 68682, 103023, 206046, 1179041, 2358082, 3537123, 7074246, 10611369, 21222738]

約数ペア:

[(1, 21222738), (2, 10611369), (3, 7074246), (6, 3537123), (9, 2358082), (18, 1179041), (103, 206046), (206, 103023), (309, 68682), (618, 34341), (927, 22894), (1854, 11447)]