21415728

素因数分解:

$2^4\times 3^1\times {\mathrm{503}}^1\times {\mathrm{887}}^1$

素因数の和:1401

約数の個数: 40

約数和(自身を含む): 55496448

約数和(自身を除く): 34080720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 503, 887, 1006, 1509, 1774, 2012, 2661, 3018, 3548, 4024, 5322, 6036, 7096, 8048, 10644, 12072, 14192, 21288, 24144, 42576, 446161, 892322, 1338483, 1784644, 2676966, 3569288, 5353932, 7138576, 10707864, 21415728]

約数ペア:

[(1, 21415728), (2, 10707864), (3, 7138576), (4, 5353932), (6, 3569288), (8, 2676966), (12, 1784644), (16, 1338483), (24, 892322), (48, 446161), (503, 42576), (887, 24144), (1006, 21288), (1509, 14192), (1774, 12072), (2012, 10644), (2661, 8048), (3018, 7096), (3548, 6036), (4024, 5322)]