21155492

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1013}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 38840256

約数和(自身を除く): 17684764

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 1013, 2026, 4052, 5221, 10442, 20884, 23299, 46598, 93196, 229951, 459902, 919804, 5288873, 10577746, 21155492]

約数ペア:

[(1, 21155492), (2, 10577746), (4, 5288873), (23, 919804), (46, 459902), (92, 229951), (227, 93196), (454, 46598), (908, 23299), (1013, 20884), (2026, 10442), (4052, 5221)]