21677019

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 35825664

約数和(自身を除く): 14148645

約数列:

[1, 3, 7, 13, 21, 39, 91, 271, 273, 293, 813, 879, 1897, 2051, 3523, 3809, 5691, 6153, 10569, 11427, 24661, 26663, 73983, 79403, 79989, 238209, 555821, 1032239, 1667463, 3096717, 7225673, 21677019]

約数ペア:

[(1, 21677019), (3, 7225673), (7, 3096717), (13, 1667463), (21, 1032239), (39, 555821), (91, 238209), (271, 79989), (273, 79403), (293, 73983), (813, 26663), (879, 24661), (1897, 11427), (2051, 10569), (3523, 6153), (3809, 5691)]