21293664

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31687}}^1$

素因数の和:31707

約数の個数: 48

約数和(自身を含む): 63883008

約数和(自身を除く): 42589344

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, 31687, 63374, 95061, 126748, 190122, 221809, 253496, 380244, 443618, 506992, 665427, 760488, 887236, 1013984, 1330854, 1520976, 1774472, 2661708, 3041952, 3548944, 5323416, 7097888, 10646832, 21293664]

約数ペア:

[(1, 21293664), (2, 10646832), (3, 7097888), (4, 5323416), (6, 3548944), (7, 3041952), (8, 2661708), (12, 1774472), (14, 1520976), (16, 1330854), (21, 1013984), (24, 887236), (28, 760488), (32, 665427), (42, 506992), (48, 443618), (56, 380244), (84, 253496), (96, 221809), (112, 190122), (168, 126748), (224, 95061), (336, 63374), (672, 31687)]