21830284

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1022

約数の個数: 36

約数和(自身を含む): 44841216

約数和(自身を除く): 23010932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 877, 889, 1754, 1778, 3508, 3556, 6139, 6223, 12278, 12446, 24556, 24892, 42973, 85946, 111379, 171892, 222758, 445516, 779653, 1559306, 3118612, 5457571, 10915142, 21830284]

約数ペア:

[(1, 21830284), (2, 10915142), (4, 5457571), (7, 3118612), (14, 1559306), (28, 779653), (49, 445516), (98, 222758), (127, 171892), (196, 111379), (254, 85946), (508, 42973), (877, 24892), (889, 24556), (1754, 12446), (1778, 12278), (3508, 6223), (3556, 6139)]