21790638

素因数分解:

$2^1\times 3^2\times {\mathrm{227}}^1\times {\mathrm{5333}}^1$

素因数の和:5568

約数の個数: 24

約数和(自身を含む): 47429928

約数和(自身を除く): 25639290

約数列:

[1, 2, 3, 6, 9, 18, 227, 454, 681, 1362, 2043, 4086, 5333, 10666, 15999, 31998, 47997, 95994, 1210591, 2421182, 3631773, 7263546, 10895319, 21790638]

約数ペア:

[(1, 21790638), (2, 10895319), (3, 7263546), (6, 3631773), (9, 2421182), (18, 1210591), (227, 95994), (454, 47997), (681, 31998), (1362, 15999), (2043, 10666), (4086, 5333)]