21936088

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 42408000

約数和(自身を除く): 20471912

約数列:

[1, 2, 4, 8, 61, 79, 122, 158, 244, 316, 488, 569, 632, 1138, 2276, 4552, 4819, 9638, 19276, 34709, 38552, 44951, 69418, 89902, 138836, 179804, 277672, 359608, 2742011, 5484022, 10968044, 21936088]

約数ペア:

[(1, 21936088), (2, 10968044), (4, 5484022), (8, 2742011), (61, 359608), (79, 277672), (122, 179804), (158, 138836), (244, 89902), (316, 69418), (488, 44951), (569, 38552), (632, 34709), (1138, 19276), (2276, 9638), (4552, 4819)]