21346936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 43641360

約数和(自身を除く): 22294424

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2473, 4316, 4946, 8632, 9892, 19784, 32149, 64298, 128596, 205259, 257192, 410518, 821036, 1642072, 2668367, 5336734, 10673468, 21346936]

約数ペア:

[(1, 21346936), (2, 10673468), (4, 5336734), (8, 2668367), (13, 1642072), (26, 821036), (52, 410518), (83, 257192), (104, 205259), (166, 128596), (332, 64298), (664, 32149), (1079, 19784), (2158, 9892), (2473, 8632), (4316, 4946)]