21028313088

素因数分解:

$2^{11}\times 3^2\times {\mathrm{1140859}}^1$

素因数の和:1140887

約数の個数: 72

約数和(自身を含む): 60733682100

約数和(自身を除く): 39705369012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4608, 6144, 9216, 18432, 1140859, 2281718, 3422577, 4563436, 6845154, 9126872, 10267731, 13690308, 18253744, 20535462, 27380616, 36507488, 41070924, 54761232, 73014976, 82141848, 109522464, 146029952, 164283696, 219044928, 292059904, 328567392, 438089856, 584119808, 657134784, 876179712, 1168239616, 1314269568, 1752359424, 2336479232, 2628539136, 3504718848, 5257078272, 7009437696, 10514156544, 21028313088]

約数ペア:

[(1, 21028313088), (2, 10514156544), (3, 7009437696), (4, 5257078272), (6, 3504718848), (8, 2628539136), (9, 2336479232), (12, 1752359424), (16, 1314269568), (18, 1168239616), (24, 876179712), (32, 657134784), (36, 584119808), (48, 438089856), (64, 328567392), (72, 292059904), (96, 219044928), (128, 164283696), (144, 146029952), (192, 109522464), (256, 82141848), (288, 73014976), (384, 54761232), (512, 41070924), (576, 36507488), (768, 27380616), (1024, 20535462), (1152, 18253744), (1536, 13690308), (2048, 10267731), (2304, 9126872), (3072, 6845154), (4608, 4563436), (6144, 3422577), (9216, 2281718), (18432, 1140859)]