21470492799

素因数分解:

$3^3\times 7^1\times {\mathrm{2309}}^1\times {\mathrm{49199}}^1$

素因数の和:51524

約数の個数: 32

約数和(自身を含む): 36368640000

約数和(自身を除く): 14898147201

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2309, 6927, 16163, 20781, 48489, 49199, 62343, 145467, 147597, 344393, 436401, 442791, 1033179, 1328373, 3099537, 9298611, 113600491, 340801473, 795203437, 1022404419, 2385610311, 3067213257, 7156830933, 21470492799]

約数ペア:

[(1, 21470492799), (3, 7156830933), (7, 3067213257), (9, 2385610311), (21, 1022404419), (27, 795203437), (63, 340801473), (189, 113600491), (2309, 9298611), (6927, 3099537), (16163, 1328373), (20781, 1033179), (48489, 442791), (49199, 436401), (62343, 344393), (145467, 147597)]