21694504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10979}}^1$

素因数の和:11017

約数の個数: 32

約数和(自身を含む): 46116000

約数和(自身を除く): 24421496

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10979, 21958, 43916, 87832, 142727, 208601, 285454, 417202, 570908, 834404, 1141816, 1668808, 2711813, 5423626, 10847252, 21694504]

約数ペア:

[(1, 21694504), (2, 10847252), (4, 5423626), (8, 2711813), (13, 1668808), (19, 1141816), (26, 834404), (38, 570908), (52, 417202), (76, 285454), (104, 208601), (152, 142727), (247, 87832), (494, 43916), (988, 21958), (1976, 10979)]