21915776

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 44027280

約数和(自身を除く): 22111504

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1307, 2096, 2614, 4192, 5228, 8384, 10456, 16768, 20912, 41824, 83648, 167296, 171217, 342434, 684868, 1369736, 2739472, 5478944, 10957888, 21915776]

約数ペア:

[(1, 21915776), (2, 10957888), (4, 5478944), (8, 2739472), (16, 1369736), (32, 684868), (64, 342434), (128, 171217), (131, 167296), (262, 83648), (524, 41824), (1048, 20912), (1307, 16768), (2096, 10456), (2614, 8384), (4192, 5228)]