21025494

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18541}}^1$

素因数の和:18562

約数の個数: 40

約数和(自身を含む): 53845968

約数和(自身を除く): 32820474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18541, 37082, 55623, 111246, 129787, 166869, 259574, 333738, 389361, 500607, 778722, 1001214, 1168083, 1501821, 2336166, 3003642, 3504249, 7008498, 10512747, 21025494]

約数ペア:

[(1, 21025494), (2, 10512747), (3, 7008498), (6, 3504249), (7, 3003642), (9, 2336166), (14, 1501821), (18, 1168083), (21, 1001214), (27, 778722), (42, 500607), (54, 389361), (63, 333738), (81, 259574), (126, 166869), (162, 129787), (189, 111246), (378, 55623), (567, 37082), (1134, 18541)]