21308328

素因数分解:

$2^3\times 3^2\times {\mathrm{295949}}^1$

素因数の和:295961

約数の個数: 24

約数和(自身を含む): 57710250

約数和(自身を除く): 36401922

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295949, 591898, 887847, 1183796, 1775694, 2367592, 2663541, 3551388, 5327082, 7102776, 10654164, 21308328]

約数ペア:

[(1, 21308328), (2, 10654164), (3, 7102776), (4, 5327082), (6, 3551388), (8, 2663541), (9, 2367592), (12, 1775694), (18, 1183796), (24, 887847), (36, 591898), (72, 295949)]