21854835

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16747}}^1$

素因数の和:16787

約数の個数: 24

約数和(自身を含む): 39190320

約数和(自身を除く): 17335485

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 16747, 50241, 83735, 150723, 251205, 485663, 753615, 1456989, 2428315, 4370967, 7284945, 21854835]

約数ペア:

[(1, 21854835), (3, 7284945), (5, 4370967), (9, 2428315), (15, 1456989), (29, 753615), (45, 485663), (87, 251205), (145, 150723), (261, 83735), (435, 50241), (1305, 16747)]