21392438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12569}}^1$

素因数の和:12631

約数の個数: 16

約数和(自身を含む): 34391520

約数和(自身を除く): 12999082

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12569, 25138, 289087, 465053, 578174, 930106, 10696219, 21392438]

約数ペア:

[(1, 21392438), (2, 10696219), (23, 930106), (37, 578174), (46, 465053), (74, 289087), (851, 25138), (1702, 12569)]