21379982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48371}}^1$

素因数の和:48403

約数の個数: 16

約数和(自身を含む): 36569232

約数和(自身を除く): 15189250

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48371, 96742, 628823, 822307, 1257646, 1644614, 10689991, 21379982]

約数ペア:

[(1, 21379982), (2, 10689991), (13, 1644614), (17, 1257646), (26, 822307), (34, 628823), (221, 96742), (442, 48371)]