21841290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242681}}^1$

素因数の和:242694

約数の個数: 24

約数和(自身を含む): 56787588

約数和(自身を除く): 34946298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242681, 485362, 728043, 1213405, 1456086, 2184129, 2426810, 3640215, 4368258, 7280430, 10920645, 21841290]

約数ペア:

[(1, 21841290), (2, 10920645), (3, 7280430), (5, 4368258), (6, 3640215), (9, 2426810), (10, 2184129), (15, 1456086), (18, 1213405), (30, 728043), (45, 485362), (90, 242681)]