21841352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 46219740

約数和(自身を除く): 24378388

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 397, 529, 598, 794, 1058, 1196, 1588, 2116, 2392, 3176, 4232, 5161, 6877, 9131, 10322, 13754, 18262, 20644, 27508, 36524, 41288, 55016, 73048, 118703, 210013, 237406, 420026, 474812, 840052, 949624, 1680104, 2730169, 5460338, 10920676, 21841352]

約数ペア:

[(1, 21841352), (2, 10920676), (4, 5460338), (8, 2730169), (13, 1680104), (23, 949624), (26, 840052), (46, 474812), (52, 420026), (92, 237406), (104, 210013), (184, 118703), (299, 73048), (397, 55016), (529, 41288), (598, 36524), (794, 27508), (1058, 20644), (1196, 18262), (1588, 13754), (2116, 10322), (2392, 9131), (3176, 6877), (4232, 5161)]