21563868

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^2\times {\mathrm{1069}}^1$

素因数の和:1158

約数の個数: 36

約数和(自身を含む): 51621080

約数和(自身を除く): 30057212

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1069, 1681, 2138, 3207, 3362, 4276, 5043, 6414, 6724, 10086, 12828, 20172, 43829, 87658, 131487, 175316, 262974, 525948, 1796989, 3593978, 5390967, 7187956, 10781934, 21563868]

約数ペア:

[(1, 21563868), (2, 10781934), (3, 7187956), (4, 5390967), (6, 3593978), (12, 1796989), (41, 525948), (82, 262974), (123, 175316), (164, 131487), (246, 87658), (492, 43829), (1069, 20172), (1681, 12828), (2138, 10086), (3207, 6724), (3362, 6414), (4276, 5043)]