21987168

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32719}}^1$

素因数の和:32739

約数の個数: 48

約数和(自身を含む): 65963520

約数和(自身を除く): 43976352

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, 32719, 65438, 98157, 130876, 196314, 229033, 261752, 392628, 458066, 523504, 687099, 785256, 916132, 1047008, 1374198, 1570512, 1832264, 2748396, 3141024, 3664528, 5496792, 7329056, 10993584, 21987168]

約数ペア:

[(1, 21987168), (2, 10993584), (3, 7329056), (4, 5496792), (6, 3664528), (7, 3141024), (8, 2748396), (12, 1832264), (14, 1570512), (16, 1374198), (21, 1047008), (24, 916132), (28, 785256), (32, 687099), (42, 523504), (48, 458066), (56, 392628), (84, 261752), (96, 229033), (112, 196314), (168, 130876), (224, 98157), (336, 65438), (672, 32719)]