21306456

素因数分解:

$2^3\times 3^3\times {\mathrm{98641}}^1$

素因数の和:98656

約数の個数: 32

約数和(自身を含む): 59185200

約数和(自身を除く): 37878744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 98641, 197282, 295923, 394564, 591846, 789128, 887769, 1183692, 1775538, 2367384, 2663307, 3551076, 5326614, 7102152, 10653228, 21306456]

約数ペア:

[(1, 21306456), (2, 10653228), (3, 7102152), (4, 5326614), (6, 3551076), (8, 2663307), (9, 2367384), (12, 1775538), (18, 1183692), (24, 887769), (27, 789128), (36, 591846), (54, 394564), (72, 295923), (108, 197282), (216, 98641)]