21991626

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{64303}}^1$

素因数の和:64330

約数の個数: 24

約数和(自身を含む): 50157120

約数和(自身を除く): 28165494

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 64303, 128606, 192909, 385818, 578727, 1157454, 1221757, 2443514, 3665271, 7330542, 10995813, 21991626]

約数ペア:

[(1, 21991626), (2, 10995813), (3, 7330542), (6, 3665271), (9, 2443514), (18, 1221757), (19, 1157454), (38, 578727), (57, 385818), (114, 192909), (171, 128606), (342, 64303)]