21708054

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2221}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 48528480

約数和(自身を除く): 26820426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 2221, 3258, 4442, 4887, 6663, 9774, 13326, 19989, 39978, 59967, 119934, 402001, 804002, 1206003, 2412006, 3618009, 7236018, 10854027, 21708054]

約数ペア:

[(1, 21708054), (2, 10854027), (3, 7236018), (6, 3618009), (9, 2412006), (18, 1206003), (27, 804002), (54, 402001), (181, 119934), (362, 59967), (543, 39978), (1086, 19989), (1629, 13326), (2221, 9774), (3258, 6663), (4442, 4887)]