21654396

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 37785348

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 82, 102, 123, 153, 164, 204, 246, 306, 369, 492, 612, 697, 738, 863, 1394, 1476, 1726, 2091, 2589, 2788, 3452, 4182, 5178, 6273, 7767, 8364, 10356, 12546, 14671, 15534, 25092, 29342, 31068, 35383, 44013, 58684, 70766, 88026, 106149, 132039, 141532, 176052, 212298, 264078, 318447, 424596, 528156, 601511, 636894, 1203022, 1273788, 1804533, 2406044, 3609066, 5413599, 7218132, 10827198, 21654396]

約数ペア:

[(1, 21654396), (2, 10827198), (3, 7218132), (4, 5413599), (6, 3609066), (9, 2406044), (12, 1804533), (17, 1273788), (18, 1203022), (34, 636894), (36, 601511), (41, 528156), (51, 424596), (68, 318447), (82, 264078), (102, 212298), (123, 176052), (153, 141532), (164, 132039), (204, 106149), (246, 88026), (306, 70766), (369, 58684), (492, 44013), (612, 35383), (697, 31068), (738, 29342), (863, 25092), (1394, 15534), (1476, 14671), (1726, 12546), (2091, 10356), (2589, 8364), (2788, 7767), (3452, 6273), (4182, 5178)]