21735088

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 60

約数和(自身を含む): 45921168

約数和(自身を除く): 24186080

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 71, 76, 106, 142, 152, 212, 284, 304, 361, 424, 568, 722, 848, 1007, 1136, 1349, 1444, 2014, 2698, 2888, 3763, 4028, 5396, 5776, 7526, 8056, 10792, 15052, 16112, 19133, 21584, 25631, 30104, 38266, 51262, 60208, 71497, 76532, 102524, 142994, 153064, 205048, 285988, 306128, 410096, 571976, 1143952, 1358443, 2716886, 5433772, 10867544, 21735088]

約数ペア:

[(1, 21735088), (2, 10867544), (4, 5433772), (8, 2716886), (16, 1358443), (19, 1143952), (38, 571976), (53, 410096), (71, 306128), (76, 285988), (106, 205048), (142, 153064), (152, 142994), (212, 102524), (284, 76532), (304, 71497), (361, 60208), (424, 51262), (568, 38266), (722, 30104), (848, 25631), (1007, 21584), (1136, 19133), (1349, 16112), (1444, 15052), (2014, 10792), (2698, 8056), (2888, 7526), (3763, 5776), (4028, 5396)]