21590842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 40303872

約数和(自身を除く): 18713030

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1223, 1261, 1358, 2446, 2522, 8561, 8827, 15899, 17122, 17654, 31798, 111293, 118631, 222586, 237262, 830417, 1542203, 1660834, 3084406, 10795421, 21590842]

約数ペア:

[(1, 21590842), (2, 10795421), (7, 3084406), (13, 1660834), (14, 1542203), (26, 830417), (91, 237262), (97, 222586), (182, 118631), (194, 111293), (679, 31798), (1223, 17654), (1261, 17122), (1358, 15899), (2446, 8827), (2522, 8561)]