21629936

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 44595360

約数和(自身を除く): 22965424

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1109, 1219, 2218, 2438, 4436, 4876, 8872, 9752, 17744, 19504, 25507, 51014, 58777, 102028, 117554, 204056, 235108, 408112, 470216, 940432, 1351871, 2703742, 5407484, 10814968, 21629936]

約数ペア:

[(1, 21629936), (2, 10814968), (4, 5407484), (8, 2703742), (16, 1351871), (23, 940432), (46, 470216), (53, 408112), (92, 235108), (106, 204056), (184, 117554), (212, 102028), (368, 58777), (424, 51014), (848, 25507), (1109, 19504), (1219, 17744), (2218, 9752), (2438, 8872), (4436, 4876)]