21172452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 35557788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 269, 538, 807, 937, 1076, 1614, 1874, 1883, 2811, 3228, 3748, 3766, 5622, 5649, 6559, 7532, 11244, 11298, 13118, 19677, 22596, 26236, 39354, 78708, 252053, 504106, 756159, 1008212, 1512318, 1764371, 3024636, 3528742, 5293113, 7057484, 10586226, 21172452]

約数ペア:

[(1, 21172452), (2, 10586226), (3, 7057484), (4, 5293113), (6, 3528742), (7, 3024636), (12, 1764371), (14, 1512318), (21, 1008212), (28, 756159), (42, 504106), (84, 252053), (269, 78708), (538, 39354), (807, 26236), (937, 22596), (1076, 19677), (1614, 13118), (1874, 11298), (1883, 11244), (2811, 7532), (3228, 6559), (3748, 5649), (3766, 5622)]