21120118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12409}}^1$

素因数の和:12471

約数の個数: 16

約数和(自身を含む): 33953760

約数和(自身を除く): 12833642

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12409, 24818, 285407, 459133, 570814, 918266, 10560059, 21120118]

約数ペア:

[(1, 21120118), (2, 10560059), (23, 918266), (37, 570814), (46, 459133), (74, 285407), (851, 24818), (1702, 12409)]