21452156937

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{43457}}^1$

素因数の和:43902

約数の個数: 32

約数和(自身を含む): 32541350400

約数和(自身を除く): 11089193463

約数列:

[1, 3, 9, 27, 47, 141, 389, 423, 1167, 1269, 3501, 10503, 18283, 43457, 54849, 130371, 164547, 391113, 493641, 1173339, 2042479, 6127437, 16904773, 18382311, 50714319, 55146933, 152142957, 456428871, 794524331, 2383572993, 7150718979, 21452156937]

約数ペア:

[(1, 21452156937), (3, 7150718979), (9, 2383572993), (27, 794524331), (47, 456428871), (141, 152142957), (389, 55146933), (423, 50714319), (1167, 18382311), (1269, 16904773), (3501, 6127437), (10503, 2042479), (18283, 1173339), (43457, 493641), (54849, 391113), (130371, 164547)]