21409278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1429}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 46949760

約数和(自身を除く): 25540482

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 227, 454, 681, 1362, 1429, 2497, 2858, 4287, 4994, 7491, 8574, 14982, 15719, 31438, 47157, 94314, 324383, 648766, 973149, 1946298, 3568213, 7136426, 10704639, 21409278]

約数ペア:

[(1, 21409278), (2, 10704639), (3, 7136426), (6, 3568213), (11, 1946298), (22, 973149), (33, 648766), (66, 324383), (227, 94314), (454, 47157), (681, 31438), (1362, 15719), (1429, 14982), (2497, 8574), (2858, 7491), (4287, 4994)]