21827142

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 48785568

約数和(自身を除く): 26958426

約数列:

[1, 2, 3, 6, 9, 18, 61, 103, 122, 183, 193, 206, 309, 366, 386, 549, 579, 618, 927, 1098, 1158, 1737, 1854, 3474, 6283, 11773, 12566, 18849, 19879, 23546, 35319, 37698, 39758, 56547, 59637, 70638, 105957, 113094, 119274, 178911, 211914, 357822, 1212619, 2425238, 3637857, 7275714, 10913571, 21827142]

約数ペア:

[(1, 21827142), (2, 10913571), (3, 7275714), (6, 3637857), (9, 2425238), (18, 1212619), (61, 357822), (103, 211914), (122, 178911), (183, 119274), (193, 113094), (206, 105957), (309, 70638), (366, 59637), (386, 56547), (549, 39758), (579, 37698), (618, 35319), (927, 23546), (1098, 19879), (1158, 18849), (1737, 12566), (1854, 11773), (3474, 6283)]