21640010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13441}}^1$

素因数の和:13478

約数の個数: 32

約数和(自身を含む): 46455552

約数和(自身を除く): 24815542

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13441, 26882, 67205, 94087, 134410, 188174, 309143, 470435, 618286, 940870, 1545715, 2164001, 3091430, 4328002, 10820005, 21640010]

約数ペア:

[(1, 21640010), (2, 10820005), (5, 4328002), (7, 3091430), (10, 2164001), (14, 1545715), (23, 940870), (35, 618286), (46, 470435), (70, 309143), (115, 188174), (161, 134410), (230, 94087), (322, 67205), (805, 26882), (1610, 13441)]