21119004

素因数分解:

$2^2\times 3^2\times {\mathrm{569}}^1\times {\mathrm{1031}}^1$

素因数の和:1610

約数の個数: 36

約数和(自身を含む): 53529840

約数和(自身を除く): 32410836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569, 1031, 1138, 1707, 2062, 2276, 3093, 3414, 4124, 5121, 6186, 6828, 9279, 10242, 12372, 18558, 20484, 37116, 586639, 1173278, 1759917, 2346556, 3519834, 5279751, 7039668, 10559502, 21119004]

約数ペア:

[(1, 21119004), (2, 10559502), (3, 7039668), (4, 5279751), (6, 3519834), (9, 2346556), (12, 1759917), (18, 1173278), (36, 586639), (569, 37116), (1031, 20484), (1138, 18558), (1707, 12372), (2062, 10242), (2276, 9279), (3093, 6828), (3414, 6186), (4124, 5121)]