21406926

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 44845056

約数和(自身を除く): 23438130

約数列:

[1, 2, 3, 6, 31, 62, 71, 93, 142, 186, 213, 426, 1621, 2201, 3242, 4402, 4863, 6603, 9726, 13206, 50251, 100502, 115091, 150753, 230182, 301506, 345273, 690546, 3567821, 7135642, 10703463, 21406926]

約数ペア:

[(1, 21406926), (2, 10703463), (3, 7135642), (6, 3567821), (31, 690546), (62, 345273), (71, 301506), (93, 230182), (142, 150753), (186, 115091), (213, 100502), (426, 50251), (1621, 13206), (2201, 9726), (3242, 6603), (4402, 4863)]