21463275

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{683}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 14159445

約数列:

[1, 3, 5, 15, 25, 75, 419, 683, 1257, 2049, 2095, 3415, 6285, 10245, 10475, 17075, 31425, 51225, 286177, 858531, 1430885, 4292655, 7154425, 21463275]

約数ペア:

[(1, 21463275), (3, 7154425), (5, 4292655), (15, 1430885), (25, 858531), (75, 286177), (419, 51225), (683, 31425), (1257, 17075), (2049, 10475), (2095, 10245), (3415, 6285)]