21965784

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{11027}}^1$

素因数の和:11119

約数の個数: 32

約数和(自身を含む): 55581120

約数和(自身を除く): 33615336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 11027, 22054, 33081, 44108, 66162, 88216, 132324, 264648, 915241, 1830482, 2745723, 3660964, 5491446, 7321928, 10982892, 21965784]

約数ペア:

[(1, 21965784), (2, 10982892), (3, 7321928), (4, 5491446), (6, 3660964), (8, 2745723), (12, 1830482), (24, 915241), (83, 264648), (166, 132324), (249, 88216), (332, 66162), (498, 44108), (664, 33081), (996, 22054), (1992, 11027)]