21418614

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56663}}^1$

素因数の和:56681

約数の個数: 32

約数和(自身を含む): 54397440

約数和(自身を除く): 32978826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56663, 113326, 169989, 339978, 396641, 509967, 793282, 1019934, 1189923, 1529901, 2379846, 3059802, 3569769, 7139538, 10709307, 21418614]

約数ペア:

[(1, 21418614), (2, 10709307), (3, 7139538), (6, 3569769), (7, 3059802), (9, 2379846), (14, 1529901), (18, 1189923), (21, 1019934), (27, 793282), (42, 509967), (54, 396641), (63, 339978), (126, 169989), (189, 113326), (378, 56663)]