21450705

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3413}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 34413120

約数和(自身を除く): 12962415

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 3413, 6285, 10239, 17065, 51195, 1430047, 4290141, 7150235, 21450705]

約数ペア:

[(1, 21450705), (3, 7150235), (5, 4290141), (15, 1430047), (419, 51195), (1257, 17065), (2095, 10239), (3413, 6285)]