21422097

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 11841903

約数列:

[1, 3, 9, 27, 29, 87, 109, 251, 261, 327, 753, 783, 981, 2259, 2943, 3161, 6777, 7279, 9483, 21837, 27359, 28449, 65511, 82077, 85347, 196533, 246231, 738693, 793411, 2380233, 7140699, 21422097]

約数ペア:

[(1, 21422097), (3, 7140699), (9, 2380233), (27, 793411), (29, 738693), (87, 246231), (109, 196533), (251, 85347), (261, 82077), (327, 65511), (753, 28449), (783, 27359), (981, 21837), (2259, 9483), (2943, 7279), (3161, 6777)]