21745545

素因数分解:

$3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1493}}^1$

素因数の和:2472

約数の個数: 16

約数和(自身を含む): 34852032

約数和(自身を除く): 13106487

約数列:

[1, 3, 5, 15, 971, 1493, 2913, 4479, 4855, 7465, 14565, 22395, 1449703, 4349109, 7248515, 21745545]

約数ペア:

[(1, 21745545), (3, 7248515), (5, 4349109), (15, 1449703), (971, 22395), (1493, 14565), (2913, 7465), (4479, 4855)]