21305536

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2541

約数の個数: 56

約数和(自身を含む): 50881280

約数和(自身を除く): 29575744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2503, 4256, 5006, 8512, 10012, 17521, 20024, 35042, 40048, 47557, 70084, 80096, 95114, 140168, 160192, 190228, 280336, 332899, 380456, 560672, 665798, 760912, 1121344, 1331596, 1521824, 2663192, 3043648, 5326384, 10652768, 21305536]

約数ペア:

[(1, 21305536), (2, 10652768), (4, 5326384), (7, 3043648), (8, 2663192), (14, 1521824), (16, 1331596), (19, 1121344), (28, 760912), (32, 665798), (38, 560672), (56, 380456), (64, 332899), (76, 280336), (112, 190228), (133, 160192), (152, 140168), (224, 95114), (266, 80096), (304, 70084), (448, 47557), (532, 40048), (608, 35042), (1064, 20024), (1216, 17521), (2128, 10012), (2503, 8512), (4256, 5006)]