21242156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17761}}^1$

素因数の和:17801

約数の個数: 24

約数和(自身を含む): 41776224

約数和(自身を除く): 20534068

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17761, 35522, 71044, 230893, 408503, 461786, 817006, 923572, 1634012, 5310539, 10621078, 21242156]

約数ペア:

[(1, 21242156), (2, 10621078), (4, 5310539), (13, 1634012), (23, 923572), (26, 817006), (46, 461786), (52, 408503), (92, 230893), (299, 71044), (598, 35522), (1196, 17761)]