21854833

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 8022287

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 3119, 7007, 21833, 34309, 40547, 152831, 240163, 283829, 446017, 1681141, 1986803, 3122119, 21854833]

約数ペア:

[(1, 21854833), (7, 3122119), (11, 1986803), (13, 1681141), (49, 446017), (77, 283829), (91, 240163), (143, 152831), (539, 40547), (637, 34309), (1001, 21833), (3119, 7007)]