21536242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 40005504

約数和(自身を除く): 18469262

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 241, 482, 491, 982, 1687, 3133, 3374, 3437, 6266, 6383, 6874, 12766, 21931, 43862, 44681, 89362, 118331, 236662, 828317, 1538303, 1656634, 3076606, 10768121, 21536242]

約数ペア:

[(1, 21536242), (2, 10768121), (7, 3076606), (13, 1656634), (14, 1538303), (26, 828317), (91, 236662), (182, 118331), (241, 89362), (482, 44681), (491, 43862), (982, 21931), (1687, 12766), (3133, 6874), (3374, 6383), (3437, 6266)]