21262879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 24376320

約数和(自身を除く): 3113441

約数列:

[1, 11, 23, 229, 253, 367, 2519, 4037, 5267, 8441, 57937, 84043, 92851, 924473, 1932989, 21262879]

約数ペア:

[(1, 21262879), (11, 1932989), (23, 924473), (229, 92851), (253, 84043), (367, 57937), (2519, 8441), (4037, 5267)]