21393504

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{2251}}^1$

素因数の和:2281

約数の個数: 96

約数和(自身を含む): 68100480

約数和(自身を除く): 46706976

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 132, 144, 176, 198, 216, 264, 288, 297, 352, 396, 432, 528, 594, 792, 864, 1056, 1188, 1584, 2251, 2376, 3168, 4502, 4752, 6753, 9004, 9504, 13506, 18008, 20259, 24761, 27012, 36016, 40518, 49522, 54024, 60777, 72032, 74283, 81036, 99044, 108048, 121554, 148566, 162072, 198088, 216096, 222849, 243108, 297132, 324144, 396176, 445698, 486216, 594264, 648288, 668547, 792352, 891396, 972432, 1188528, 1337094, 1782792, 1944864, 2377056, 2674188, 3565584, 5348376, 7131168, 10696752, 21393504]

約数ペア:

[(1, 21393504), (2, 10696752), (3, 7131168), (4, 5348376), (6, 3565584), (8, 2674188), (9, 2377056), (11, 1944864), (12, 1782792), (16, 1337094), (18, 1188528), (22, 972432), (24, 891396), (27, 792352), (32, 668547), (33, 648288), (36, 594264), (44, 486216), (48, 445698), (54, 396176), (66, 324144), (72, 297132), (88, 243108), (96, 222849), (99, 216096), (108, 198088), (132, 162072), (144, 148566), (176, 121554), (198, 108048), (216, 99044), (264, 81036), (288, 74283), (297, 72032), (352, 60777), (396, 54024), (432, 49522), (528, 40518), (594, 36016), (792, 27012), (864, 24761), (1056, 20259), (1188, 18008), (1584, 13506), (2251, 9504), (2376, 9004), (3168, 6753), (4502, 4752)]