21753942

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 51483312

約数和(自身を除く): 29729370

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 183, 294, 366, 427, 854, 1213, 1281, 2426, 2562, 2989, 3639, 5978, 7278, 8491, 8967, 16982, 17934, 25473, 50946, 59437, 73993, 118874, 147986, 178311, 221979, 356622, 443958, 517951, 1035902, 1553853, 3107706, 3625657, 7251314, 10876971, 21753942]

約数ペア:

[(1, 21753942), (2, 10876971), (3, 7251314), (6, 3625657), (7, 3107706), (14, 1553853), (21, 1035902), (42, 517951), (49, 443958), (61, 356622), (98, 221979), (122, 178311), (147, 147986), (183, 118874), (294, 73993), (366, 59437), (427, 50946), (854, 25473), (1213, 17934), (1281, 16982), (2426, 8967), (2562, 8491), (2989, 7278), (3639, 5978)]