21758517

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 35771520

約数和(自身を除く): 14013003

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 183, 297, 549, 671, 1201, 1647, 2013, 3603, 6039, 10809, 13211, 18117, 32427, 39633, 73261, 118899, 219783, 356697, 659349, 805871, 1978047, 2417613, 7252839, 21758517]

約数ペア:

[(1, 21758517), (3, 7252839), (9, 2417613), (11, 1978047), (27, 805871), (33, 659349), (61, 356697), (99, 219783), (183, 118899), (297, 73261), (549, 39633), (671, 32427), (1201, 18117), (1647, 13211), (2013, 10809), (3603, 6039)]