21497038

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{827}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 33176304

約数和(自身を除く): 11679266

約数列:

[1, 2, 41, 82, 317, 634, 827, 1654, 12997, 25994, 33907, 67814, 262159, 524318, 10748519, 21497038]

約数ペア:

[(1, 21497038), (2, 10748519), (41, 524318), (82, 262159), (317, 67814), (634, 33907), (827, 25994), (1654, 12997)]