21219506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{607}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 39923712

約数和(自身を除く): 18704206

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 227, 454, 607, 1214, 1589, 2497, 3178, 4249, 4994, 6677, 8498, 13354, 17479, 34958, 46739, 93478, 137789, 275578, 964523, 1515679, 1929046, 3031358, 10609753, 21219506]

約数ペア:

[(1, 21219506), (2, 10609753), (7, 3031358), (11, 1929046), (14, 1515679), (22, 964523), (77, 275578), (154, 137789), (227, 93478), (454, 46739), (607, 34958), (1214, 17479), (1589, 13354), (2497, 8498), (3178, 6677), (4249, 4994)]