21683043

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 36

約数和(自身を含む): 34079760

約数和(自身を除く): 12396717

約数列:

[1, 3, 9, 23, 31, 69, 93, 109, 207, 279, 327, 713, 961, 981, 2139, 2507, 2883, 3379, 6417, 7521, 8649, 10137, 22103, 22563, 30411, 66309, 77717, 104749, 198927, 233151, 314247, 699453, 942741, 2409227, 7227681, 21683043]

約数ペア:

[(1, 21683043), (3, 7227681), (9, 2409227), (23, 942741), (31, 699453), (69, 314247), (93, 233151), (109, 198927), (207, 104749), (279, 77717), (327, 66309), (713, 30411), (961, 22563), (981, 22103), (2139, 10137), (2507, 8649), (2883, 7521), (3379, 6417)]