21249152

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4104

約数の個数: 32

約数和(自身を含む): 43375500

約数和(自身を除く): 22126348

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 4049, 5248, 8098, 16196, 32392, 64784, 129568, 166009, 259136, 332018, 518272, 664036, 1328072, 2656144, 5312288, 10624576, 21249152]

約数ペア:

[(1, 21249152), (2, 10624576), (4, 5312288), (8, 2656144), (16, 1328072), (32, 664036), (41, 518272), (64, 332018), (82, 259136), (128, 166009), (164, 129568), (328, 64784), (656, 32392), (1312, 16196), (2624, 8098), (4049, 5248)]