21132045

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3881}}^1$

素因数の和:3914

約数の個数: 36

約数和(自身を含む): 40271868

約数和(自身を除く): 19139823

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 3881, 5445, 11643, 19405, 34929, 42691, 58215, 128073, 174645, 213455, 384219, 469601, 640365, 1408803, 1921095, 2348005, 4226409, 7044015, 21132045]

約数ペア:

[(1, 21132045), (3, 7044015), (5, 4226409), (9, 2348005), (11, 1921095), (15, 1408803), (33, 640365), (45, 469601), (55, 384219), (99, 213455), (121, 174645), (165, 128073), (363, 58215), (495, 42691), (605, 34929), (1089, 19405), (1815, 11643), (3881, 5445)]