21736480

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1861}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 52083864

約数和(自身を除く): 30347384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1861, 2336, 2920, 3722, 5840, 7444, 9305, 11680, 14888, 18610, 29776, 37220, 59552, 74440, 135853, 148880, 271706, 297760, 543412, 679265, 1086824, 1358530, 2173648, 2717060, 4347296, 5434120, 10868240, 21736480]

約数ペア:

[(1, 21736480), (2, 10868240), (4, 5434120), (5, 4347296), (8, 2717060), (10, 2173648), (16, 1358530), (20, 1086824), (32, 679265), (40, 543412), (73, 297760), (80, 271706), (146, 148880), (160, 135853), (292, 74440), (365, 59552), (584, 37220), (730, 29776), (1168, 18610), (1460, 14888), (1861, 11680), (2336, 9305), (2920, 7444), (3722, 5840)]