21015514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14837030

約数列:

[1, 2, 13, 23, 26, 46, 113, 226, 299, 311, 598, 622, 1469, 2599, 2938, 4043, 5198, 7153, 8086, 14306, 33787, 35143, 67574, 70286, 92989, 185978, 456859, 808289, 913718, 1616578, 10507757, 21015514]

約数ペア:

[(1, 21015514), (2, 10507757), (13, 1616578), (23, 913718), (26, 808289), (46, 456859), (113, 185978), (226, 92989), (299, 70286), (311, 67574), (598, 35143), (622, 33787), (1469, 14306), (2599, 8086), (2938, 7153), (4043, 5198)]