21272476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2477}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 18276404

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 2477, 4294, 4954, 8588, 9908, 47063, 94126, 188252, 279901, 559802, 1119604, 5318119, 10636238, 21272476]

約数ペア:

[(1, 21272476), (2, 10636238), (4, 5318119), (19, 1119604), (38, 559802), (76, 279901), (113, 188252), (226, 94126), (452, 47063), (2147, 9908), (2477, 8588), (4294, 4954)]