21500262

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2514

約数の個数: 64

約数和(自身を含む): 57000960

約数和(自身を除く): 35500698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2473, 2898, 4347, 4946, 7419, 8694, 14838, 17311, 22257, 34622, 44514, 51933, 56879, 66771, 103866, 113758, 133542, 155799, 170637, 311598, 341274, 398153, 467397, 511911, 796306, 934794, 1023822, 1194459, 1535733, 2388918, 3071466, 3583377, 7166754, 10750131, 21500262]

約数ペア:

[(1, 21500262), (2, 10750131), (3, 7166754), (6, 3583377), (7, 3071466), (9, 2388918), (14, 1535733), (18, 1194459), (21, 1023822), (23, 934794), (27, 796306), (42, 511911), (46, 467397), (54, 398153), (63, 341274), (69, 311598), (126, 170637), (138, 155799), (161, 133542), (189, 113758), (207, 103866), (322, 66771), (378, 56879), (414, 51933), (483, 44514), (621, 34622), (966, 22257), (1242, 17311), (1449, 14838), (2473, 8694), (2898, 7419), (4347, 4946)]