21053408

素因数分解:

$2^5\times {\mathrm{173}}^1\times {\mathrm{3803}}^1$

素因数の和:3986

約数の個数: 24

約数和(自身を含む): 41699448

約数和(自身を除く): 20646040

約数列:

[1, 2, 4, 8, 16, 32, 173, 346, 692, 1384, 2768, 3803, 5536, 7606, 15212, 30424, 60848, 121696, 657919, 1315838, 2631676, 5263352, 10526704, 21053408]

約数ペア:

[(1, 21053408), (2, 10526704), (4, 5263352), (8, 2631676), (16, 1315838), (32, 657919), (173, 121696), (346, 60848), (692, 30424), (1384, 15212), (2768, 7606), (3803, 5536)]