21268184

素因数分解:

$2^3\times 7^1\times {\mathrm{587}}^1\times {\mathrm{647}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24454696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 587, 647, 1174, 1294, 2348, 2588, 4109, 4529, 4696, 5176, 8218, 9058, 16436, 18116, 32872, 36232, 379789, 759578, 1519156, 2658523, 3038312, 5317046, 10634092, 21268184]

約数ペア:

[(1, 21268184), (2, 10634092), (4, 5317046), (7, 3038312), (8, 2658523), (14, 1519156), (28, 759578), (56, 379789), (587, 36232), (647, 32872), (1174, 18116), (1294, 16436), (2348, 9058), (2588, 8218), (4109, 5176), (4529, 4696)]