21152416

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21323}}^1$

素因数の和:21364

約数の個数: 24

約数和(自身を含む): 42989184

約数和(自身を除く): 21836768

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21323, 42646, 85292, 170584, 341168, 661013, 682336, 1322026, 2644052, 5288104, 10576208, 21152416]

約数ペア:

[(1, 21152416), (2, 10576208), (4, 5288104), (8, 2644052), (16, 1322026), (31, 682336), (32, 661013), (62, 341168), (124, 170584), (248, 85292), (496, 42646), (992, 21323)]