21765184

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2595

約数の個数: 56

約数和(自身を含む): 51978560

約数和(自身を除く): 30213376

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, 2557, 4256, 5114, 8512, 10228, 17899, 20456, 35798, 40912, 48583, 71596, 81824, 97166, 143192, 163648, 194332, 286384, 340081, 388664, 572768, 680162, 777328, 1145536, 1360324, 1554656, 2720648, 3109312, 5441296, 10882592, 21765184]

約数ペア:

[(1, 21765184), (2, 10882592), (4, 5441296), (7, 3109312), (8, 2720648), (14, 1554656), (16, 1360324), (19, 1145536), (28, 777328), (32, 680162), (38, 572768), (56, 388664), (64, 340081), (76, 286384), (112, 194332), (133, 163648), (152, 143192), (224, 97166), (266, 81824), (304, 71596), (448, 48583), (532, 40912), (608, 35798), (1064, 20456), (1216, 17899), (2128, 10228), (2557, 8512), (4256, 5114)]