21608480

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4657}}^1$

素因数の和:4701

約数の個数: 48

約数和(自身を含む): 52821720

約数和(自身を除く): 31213240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 4657, 9314, 18628, 23285, 37256, 46570, 74512, 93140, 135053, 149024, 186280, 270106, 372560, 540212, 675265, 745120, 1080424, 1350530, 2160848, 2701060, 4321696, 5402120, 10804240, 21608480]

約数ペア:

[(1, 21608480), (2, 10804240), (4, 5402120), (5, 4321696), (8, 2701060), (10, 2160848), (16, 1350530), (20, 1080424), (29, 745120), (32, 675265), (40, 540212), (58, 372560), (80, 270106), (116, 186280), (145, 149024), (160, 135053), (232, 93140), (290, 74512), (464, 46570), (580, 37256), (928, 23285), (1160, 18628), (2320, 9314), (4640, 4657)]