21773258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15240502

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 377, 431, 754, 862, 871, 1742, 1943, 3886, 5603, 11206, 12499, 24998, 25259, 28877, 50518, 57754, 162487, 324974, 375401, 750802, 837433, 1674866, 10886629, 21773258]

約数ペア:

[(1, 21773258), (2, 10886629), (13, 1674866), (26, 837433), (29, 750802), (58, 375401), (67, 324974), (134, 162487), (377, 57754), (431, 50518), (754, 28877), (862, 25259), (871, 24998), (1742, 12499), (1943, 11206), (3886, 5603)]