21264416

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39089}}^1$

素因数の和:39116

約数の個数: 24

約数和(自身を含む): 44328060

約数和(自身を除く): 23063644

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39089, 78178, 156356, 312712, 625424, 664513, 1250848, 1329026, 2658052, 5316104, 10632208, 21264416]

約数ペア:

[(1, 21264416), (2, 10632208), (4, 5316104), (8, 2658052), (16, 1329026), (17, 1250848), (32, 664513), (34, 625424), (68, 312712), (136, 156356), (272, 78178), (544, 39089)]