21457728

素因数分解:

$2^6\times 3^2\times {\mathrm{37253}}^1$

素因数の和:37271

約数の個数: 42

約数和(自身を含む): 61506354

約数和(自身を除く): 40048626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 37253, 74506, 111759, 149012, 223518, 298024, 335277, 447036, 596048, 670554, 894072, 1192096, 1341108, 1788144, 2384192, 2682216, 3576288, 5364432, 7152576, 10728864, 21457728]

約数ペア:

[(1, 21457728), (2, 10728864), (3, 7152576), (4, 5364432), (6, 3576288), (8, 2682216), (9, 2384192), (12, 1788144), (16, 1341108), (18, 1192096), (24, 894072), (32, 670554), (36, 596048), (48, 447036), (64, 335277), (72, 298024), (96, 223518), (144, 149012), (192, 111759), (288, 74506), (576, 37253)]