21968320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2$

素因数の和:186

約数の個数: 84

約数和(自身を含む): 57799224

約数和(自身を除く): 35830904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 158, 160, 176, 220, 316, 320, 352, 395, 440, 632, 704, 790, 869, 880, 1264, 1580, 1738, 1760, 2528, 3160, 3476, 3520, 4345, 5056, 6241, 6320, 6952, 8690, 12482, 12640, 13904, 17380, 24964, 25280, 27808, 31205, 34760, 49928, 55616, 62410, 68651, 69520, 99856, 124820, 137302, 139040, 199712, 249640, 274604, 278080, 343255, 399424, 499280, 549208, 686510, 998560, 1098416, 1373020, 1997120, 2196832, 2746040, 4393664, 5492080, 10984160, 21968320]

約数ペア:

[(1, 21968320), (2, 10984160), (4, 5492080), (5, 4393664), (8, 2746040), (10, 2196832), (11, 1997120), (16, 1373020), (20, 1098416), (22, 998560), (32, 686510), (40, 549208), (44, 499280), (55, 399424), (64, 343255), (79, 278080), (80, 274604), (88, 249640), (110, 199712), (158, 139040), (160, 137302), (176, 124820), (220, 99856), (316, 69520), (320, 68651), (352, 62410), (395, 55616), (440, 49928), (632, 34760), (704, 31205), (790, 27808), (869, 25280), (880, 24964), (1264, 17380), (1580, 13904), (1738, 12640), (1760, 12482), (2528, 8690), (3160, 6952), (3476, 6320), (3520, 6241), (4345, 5056)]