21192736

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 44294040

約数和(自身を除く): 23101304

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 82, 116, 164, 232, 328, 464, 557, 656, 928, 1114, 1189, 1312, 2228, 2378, 4456, 4756, 8912, 9512, 16153, 17824, 19024, 22837, 32306, 38048, 45674, 64612, 91348, 129224, 182696, 258448, 365392, 516896, 662273, 730784, 1324546, 2649092, 5298184, 10596368, 21192736]

約数ペア:

[(1, 21192736), (2, 10596368), (4, 5298184), (8, 2649092), (16, 1324546), (29, 730784), (32, 662273), (41, 516896), (58, 365392), (82, 258448), (116, 182696), (164, 129224), (232, 91348), (328, 64612), (464, 45674), (557, 38048), (656, 32306), (928, 22837), (1114, 19024), (1189, 17824), (1312, 16153), (2228, 9512), (2378, 8912), (4456, 4756)]