21523864

素因数分解:

$2^3\times {\mathrm{1259}}^1\times {\mathrm{2137}}^1$

素因数の和:3402

約数の個数: 16

約数和(自身を含む): 40408200

約数和(自身を除く): 18884336

約数列:

[1, 2, 4, 8, 1259, 2137, 2518, 4274, 5036, 8548, 10072, 17096, 2690483, 5380966, 10761932, 21523864]

約数ペア:

[(1, 21523864), (2, 10761932), (4, 5380966), (8, 2690483), (1259, 17096), (2137, 10072), (2518, 8548), (4274, 5036)]