21214726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26321}}^1$

素因数の和:26367

約数の個数: 16

約数和(自身を含む): 35376768

約数和(自身を除く): 14162042

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26321, 52642, 342173, 684346, 815951, 1631902, 10607363, 21214726]

約数ペア:

[(1, 21214726), (2, 10607363), (13, 1631902), (26, 815951), (31, 684346), (62, 342173), (403, 52642), (806, 26321)]