21778930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 19433870

約数列:

[1, 2, 5, 10, 23, 46, 115, 179, 230, 358, 529, 895, 1058, 1790, 2645, 4117, 5290, 8234, 12167, 20585, 24334, 41170, 60835, 94691, 121670, 189382, 473455, 946910, 2177893, 4355786, 10889465, 21778930]

約数ペア:

[(1, 21778930), (2, 10889465), (5, 4355786), (10, 2177893), (23, 946910), (46, 473455), (115, 189382), (179, 121670), (230, 94691), (358, 60835), (529, 41170), (895, 24334), (1058, 20585), (1790, 12167), (2645, 8234), (4117, 5290)]