21594902

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 38873088

約数和(自身を除く): 17278186

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 887, 1739, 1774, 3478, 6209, 12173, 12418, 24346, 32819, 41689, 65638, 83378, 229733, 291823, 459466, 583646, 1542493, 3084986, 10797451, 21594902]

約数ペア:

[(1, 21594902), (2, 10797451), (7, 3084986), (14, 1542493), (37, 583646), (47, 459466), (74, 291823), (94, 229733), (259, 83378), (329, 65638), (518, 41689), (658, 32819), (887, 24346), (1739, 12418), (1774, 12173), (3478, 6209)]