21214986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7351}}^1$

素因数の和:7406

約数の個数: 32

約数和(自身を含む): 46935168

約数和(自身を除く): 25720182

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7351, 14702, 22053, 44106, 95563, 191126, 271987, 286689, 543974, 573378, 815961, 1631922, 3535831, 7071662, 10607493, 21214986]

約数ペア:

[(1, 21214986), (2, 10607493), (3, 7071662), (6, 3535831), (13, 1631922), (26, 815961), (37, 573378), (39, 543974), (74, 286689), (78, 271987), (111, 191126), (222, 95563), (481, 44106), (962, 22053), (1443, 14702), (2886, 7351)]