21660256803

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{620869}}^1$

素因数の和:621302

約数の個数: 16

約数和(自身を含む): 29950768800

約数和(自身を除く): 8290511997

約数列:

[1, 3, 29, 87, 401, 1203, 11629, 34887, 620869, 1862607, 18005201, 54015603, 248968469, 746905407, 7220085601, 21660256803]

約数ペア:

[(1, 21660256803), (3, 7220085601), (29, 746905407), (87, 248968469), (401, 54015603), (1203, 18005201), (11629, 1862607), (34887, 620869)]