21609774

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2879}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 26774226

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2879, 3753, 5758, 7506, 8637, 17274, 25911, 51822, 77733, 155466, 400181, 800362, 1200543, 2401086, 3601629, 7203258, 10804887, 21609774]

約数ペア:

[(1, 21609774), (2, 10804887), (3, 7203258), (6, 3601629), (9, 2401086), (18, 1200543), (27, 800362), (54, 400181), (139, 155466), (278, 77733), (417, 51822), (834, 25911), (1251, 17274), (2502, 8637), (2879, 7506), (3753, 5758)]