21973310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 42055200

約数和(自身を除く): 20081890

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1061, 1090, 2071, 2122, 4142, 5305, 10355, 10610, 20159, 20710, 40318, 100795, 115649, 201590, 231298, 578245, 1156490, 2197331, 4394662, 10986655, 21973310]

約数ペア:

[(1, 21973310), (2, 10986655), (5, 4394662), (10, 2197331), (19, 1156490), (38, 578245), (95, 231298), (109, 201590), (190, 115649), (218, 100795), (545, 40318), (1061, 20710), (1090, 20159), (2071, 10610), (2122, 10355), (4142, 5305)]