21735252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7841}}^1$

素因数の和:7869

約数の個数: 72

約数和(自身を含む): 68507712

約数和(自身を除く): 46772460

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7841, 15682, 23523, 31364, 47046, 54887, 70569, 86251, 94092, 109774, 141138, 164661, 172502, 219548, 258753, 282276, 329322, 345004, 493983, 517506, 603757, 658644, 776259, 987966, 1035012, 1207514, 1552518, 1811271, 1975932, 2415028, 3105036, 3622542, 5433813, 7245084, 10867626, 21735252]

約数ペア:

[(1, 21735252), (2, 10867626), (3, 7245084), (4, 5433813), (6, 3622542), (7, 3105036), (9, 2415028), (11, 1975932), (12, 1811271), (14, 1552518), (18, 1207514), (21, 1035012), (22, 987966), (28, 776259), (33, 658644), (36, 603757), (42, 517506), (44, 493983), (63, 345004), (66, 329322), (77, 282276), (84, 258753), (99, 219548), (126, 172502), (132, 164661), (154, 141138), (198, 109774), (231, 94092), (252, 86251), (308, 70569), (396, 54887), (462, 47046), (693, 31364), (924, 23523), (1386, 15682), (2772, 7841)]