21036416

素因数分解:

$2^7\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 42228000

約数和(自身を除く): 21191584

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 298, 596, 1103, 1192, 2206, 2384, 4412, 4768, 8824, 9536, 17648, 19072, 35296, 70592, 141184, 164347, 328694, 657388, 1314776, 2629552, 5259104, 10518208, 21036416]

約数ペア:

[(1, 21036416), (2, 10518208), (4, 5259104), (8, 2629552), (16, 1314776), (32, 657388), (64, 328694), (128, 164347), (149, 141184), (298, 70592), (596, 35296), (1103, 19072), (1192, 17648), (2206, 9536), (2384, 8824), (4412, 4768)]