21063748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1973}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 39298392

約数和(自身を除く): 18234644

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 1973, 2669, 3946, 5338, 7892, 10676, 33541, 67082, 134164, 309761, 619522, 1239044, 5265937, 10531874, 21063748]

約数ペア:

[(1, 21063748), (2, 10531874), (4, 5265937), (17, 1239044), (34, 619522), (68, 309761), (157, 134164), (314, 67082), (628, 33541), (1973, 10676), (2669, 7892), (3946, 5338)]