21504648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81457}}^1$

素因数の和:81477

約数の個数: 32

約数和(自身を含む): 58649760

約数和(自身を除く): 37145112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81457, 162914, 244371, 325828, 488742, 651656, 896027, 977484, 1792054, 1954968, 2688081, 3584108, 5376162, 7168216, 10752324, 21504648]

約数ペア:

[(1, 21504648), (2, 10752324), (3, 7168216), (4, 5376162), (6, 3584108), (8, 2688081), (11, 1954968), (12, 1792054), (22, 977484), (24, 896027), (33, 651656), (44, 488742), (66, 325828), (88, 244371), (132, 162914), (264, 81457)]