21124530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11177}}^1$

素因数の和:11200

約数の個数: 64

約数和(自身を含む): 64385280

約数和(自身を除く): 43260750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11177, 22354, 33531, 55885, 67062, 78239, 100593, 111770, 156478, 167655, 201186, 234717, 301779, 335310, 391195, 469434, 502965, 603558, 704151, 782390, 1005930, 1173585, 1408302, 1508895, 2112453, 2347170, 3017790, 3520755, 4224906, 7041510, 10562265, 21124530]

約数ペア:

[(1, 21124530), (2, 10562265), (3, 7041510), (5, 4224906), (6, 3520755), (7, 3017790), (9, 2347170), (10, 2112453), (14, 1508895), (15, 1408302), (18, 1173585), (21, 1005930), (27, 782390), (30, 704151), (35, 603558), (42, 502965), (45, 469434), (54, 391195), (63, 335310), (70, 301779), (90, 234717), (105, 201186), (126, 167655), (135, 156478), (189, 111770), (210, 100593), (270, 78239), (315, 67062), (378, 55885), (630, 33531), (945, 22354), (1890, 11177)]