21065373

素因数分解:

$3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 14830947

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 227, 491, 681, 1473, 1589, 2043, 3437, 4419, 4767, 6129, 10311, 13257, 14301, 30933, 42903, 92799, 111457, 334371, 780199, 1003113, 2340597, 3009339, 7021791, 21065373]

約数ペア:

[(1, 21065373), (3, 7021791), (7, 3009339), (9, 2340597), (21, 1003113), (27, 780199), (63, 334371), (189, 111457), (227, 92799), (491, 42903), (681, 30933), (1473, 14301), (1589, 13257), (2043, 10311), (3437, 6129), (4419, 4767)]