21176968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5023}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 22230392

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 5023, 10046, 20092, 40184, 85391, 155713, 170782, 311426, 341564, 622852, 683128, 1245704, 2647121, 5294242, 10588484, 21176968]

約数ペア:

[(1, 21176968), (2, 10588484), (4, 5294242), (8, 2647121), (17, 1245704), (31, 683128), (34, 622852), (62, 341564), (68, 311426), (124, 170782), (136, 155713), (248, 85391), (527, 40184), (1054, 20092), (2108, 10046), (4216, 5023)]