21147168

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31469}}^1$

素因数の和:31489

約数の個数: 48

約数和(自身を含む): 63443520

約数和(自身を除く): 42296352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31469, 62938, 94407, 125876, 188814, 220283, 251752, 377628, 440566, 503504, 660849, 755256, 881132, 1007008, 1321698, 1510512, 1762264, 2643396, 3021024, 3524528, 5286792, 7049056, 10573584, 21147168]

約数ペア:

[(1, 21147168), (2, 10573584), (3, 7049056), (4, 5286792), (6, 3524528), (7, 3021024), (8, 2643396), (12, 1762264), (14, 1510512), (16, 1321698), (21, 1007008), (24, 881132), (28, 755256), (32, 660849), (42, 503504), (48, 440566), (56, 377628), (84, 251752), (96, 220283), (112, 188814), (168, 125876), (224, 94407), (336, 62938), (672, 31469)]