21765176

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 44129400

約数和(自身を除く): 22364224

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 139, 148, 184, 278, 296, 529, 556, 851, 1058, 1112, 1702, 2116, 3197, 3404, 4232, 5143, 6394, 6808, 10286, 12788, 19573, 20572, 25576, 39146, 41144, 73531, 78292, 118289, 147062, 156584, 236578, 294124, 473156, 588248, 946312, 2720647, 5441294, 10882588, 21765176]

約数ペア:

[(1, 21765176), (2, 10882588), (4, 5441294), (8, 2720647), (23, 946312), (37, 588248), (46, 473156), (74, 294124), (92, 236578), (139, 156584), (148, 147062), (184, 118289), (278, 78292), (296, 73531), (529, 41144), (556, 39146), (851, 25576), (1058, 20572), (1112, 19573), (1702, 12788), (2116, 10286), (3197, 6808), (3404, 6394), (4232, 5143)]