21982360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32327}}^1$

素因数の和:32355

約数の個数: 32

約数和(自身を含む): 52371360

約数和(自身を除く): 30389000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32327, 64654, 129308, 161635, 258616, 323270, 549559, 646540, 1099118, 1293080, 2198236, 2747795, 4396472, 5495590, 10991180, 21982360]

約数ペア:

[(1, 21982360), (2, 10991180), (4, 5495590), (5, 4396472), (8, 2747795), (10, 2198236), (17, 1293080), (20, 1099118), (34, 646540), (40, 549559), (68, 323270), (85, 258616), (136, 161635), (170, 129308), (340, 64654), (680, 32327)]