21275010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2437}}^1$

素因数の和:2547

約数の個数: 48

約数和(自身を含む): 55908216

約数和(自身を除く): 34633206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2437, 2910, 4365, 4874, 7311, 8730, 12185, 14622, 21933, 24370, 36555, 43866, 73110, 109665, 219330, 236389, 472778, 709167, 1181945, 1418334, 2127501, 2363890, 3545835, 4255002, 7091670, 10637505, 21275010]

約数ペア:

[(1, 21275010), (2, 10637505), (3, 7091670), (5, 4255002), (6, 3545835), (9, 2363890), (10, 2127501), (15, 1418334), (18, 1181945), (30, 709167), (45, 472778), (90, 236389), (97, 219330), (194, 109665), (291, 73110), (485, 43866), (582, 36555), (873, 24370), (970, 21933), (1455, 14622), (1746, 12185), (2437, 8730), (2910, 7311), (4365, 4874)]