21551640454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1\times {\mathrm{13147}}^1$

素因数の和:13588

約数の個数: 32

約数和(自身を含む): 34363612800

約数和(自身を除く): 12811972346

約数列:

[1, 2, 19, 38, 179, 241, 358, 482, 3401, 4579, 6802, 9158, 13147, 26294, 43139, 86278, 249793, 499586, 819641, 1639282, 2353313, 3168427, 4706626, 6336854, 44712947, 60200113, 89425894, 120400226, 567148433, 1134296866, 10775820227, 21551640454]

約数ペア:

[(1, 21551640454), (2, 10775820227), (19, 1134296866), (38, 567148433), (179, 120400226), (241, 89425894), (358, 60200113), (482, 44712947), (3401, 6336854), (4579, 4706626), (6802, 3168427), (9158, 2353313), (13147, 1639282), (26294, 819641), (43139, 499586), (86278, 249793)]