21048404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17599}}^1$

素因数の和:17639

約数の個数: 24

約数和(自身を含む): 41395200

約数和(自身を除く): 20346796

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17599, 35198, 70396, 228787, 404777, 457574, 809554, 915148, 1619108, 5262101, 10524202, 21048404]

約数ペア:

[(1, 21048404), (2, 10524202), (4, 5262101), (13, 1619108), (23, 915148), (26, 809554), (46, 457574), (52, 404777), (92, 228787), (299, 70396), (598, 35198), (1196, 17599)]