21887265

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4603}}^1$

素因数の和:4928

約数の個数: 16

約数和(自身を含む): 35137728

約数和(自身を除く): 13250463

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4603, 4755, 13809, 23015, 69045, 1459151, 4377453, 7295755, 21887265]

約数ペア:

[(1, 21887265), (3, 7295755), (5, 4377453), (15, 1459151), (317, 69045), (951, 23015), (1585, 13809), (4603, 4755)]