21417976

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19639304

約数列:

[1, 2, 4, 8, 107, 131, 191, 214, 262, 382, 428, 524, 764, 856, 1048, 1528, 14017, 20437, 25021, 28034, 40874, 50042, 56068, 81748, 100084, 112136, 163496, 200168, 2677247, 5354494, 10708988, 21417976]

約数ペア:

[(1, 21417976), (2, 10708988), (4, 5354494), (8, 2677247), (107, 200168), (131, 163496), (191, 112136), (214, 100084), (262, 81748), (382, 56068), (428, 50042), (524, 40874), (764, 28034), (856, 25021), (1048, 20437), (1528, 14017)]