21729016

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 43102080

約数和(自身を除く): 21373064

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2137, 2542, 4274, 5084, 8548, 10168, 17096, 66247, 87617, 132494, 175234, 264988, 350468, 529976, 700936, 2716127, 5432254, 10864508, 21729016]

約数ペア:

[(1, 21729016), (2, 10864508), (4, 5432254), (8, 2716127), (31, 700936), (41, 529976), (62, 350468), (82, 264988), (124, 175234), (164, 132494), (248, 87617), (328, 66247), (1271, 17096), (2137, 10168), (2542, 8548), (4274, 5084)]