21578946

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2593}}^1$

素因数の和:2690

約数の個数: 32

約数和(自身を含む): 46069440

約数和(自身を除く): 24490494

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 2593, 2774, 4161, 5186, 7779, 8322, 15558, 49267, 98534, 147801, 189289, 295602, 378578, 567867, 1135734, 3596491, 7192982, 10789473, 21578946]

約数ペア:

[(1, 21578946), (2, 10789473), (3, 7192982), (6, 3596491), (19, 1135734), (38, 567867), (57, 378578), (73, 295602), (114, 189289), (146, 147801), (219, 98534), (438, 49267), (1387, 15558), (2593, 8322), (2774, 7779), (4161, 5186)]