21570838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 13628522

約数列:

[1, 2, 29, 41, 47, 58, 82, 94, 193, 386, 1189, 1363, 1927, 2378, 2726, 3854, 5597, 7913, 9071, 11194, 15826, 18142, 55883, 111766, 229477, 263059, 371911, 458954, 526118, 743822, 10785419, 21570838]

約数ペア:

[(1, 21570838), (2, 10785419), (29, 743822), (41, 526118), (47, 458954), (58, 371911), (82, 263059), (94, 229477), (193, 111766), (386, 55883), (1189, 18142), (1363, 15826), (1927, 11194), (2378, 9071), (2726, 7913), (3854, 5597)]