21333796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6829}}^1$

素因数の和:6915

約数の個数: 24

約数和(自身を含む): 41307840

約数和(自身を除く): 19974044

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6829, 13658, 27316, 75119, 150238, 300476, 484859, 969718, 1939436, 5333449, 10666898, 21333796]

約数ペア:

[(1, 21333796), (2, 10666898), (4, 5333449), (11, 1939436), (22, 969718), (44, 484859), (71, 300476), (142, 150238), (284, 75119), (781, 27316), (1562, 13658), (3124, 6829)]