21307154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2477}}^1$

素因数の和:2530

約数の個数: 32

約数和(自身を含む): 38537856

約数和(自身を除く): 17230702

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2477, 4301, 4954, 8602, 27247, 42109, 54494, 56971, 84218, 113942, 463199, 626681, 926398, 968507, 1253362, 1937014, 10653577, 21307154]

約数ペア:

[(1, 21307154), (2, 10653577), (11, 1937014), (17, 1253362), (22, 968507), (23, 926398), (34, 626681), (46, 463199), (187, 113942), (253, 84218), (374, 56971), (391, 54494), (506, 42109), (782, 27247), (2477, 8602), (4301, 4954)]