21373792

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 25682672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1481, 1804, 2962, 3608, 5924, 7216, 11848, 14432, 16291, 23696, 32582, 47392, 60721, 65164, 121442, 130328, 242884, 260656, 485768, 521312, 667931, 971536, 1335862, 1943072, 2671724, 5343448, 10686896, 21373792]

約数ペア:

[(1, 21373792), (2, 10686896), (4, 5343448), (8, 2671724), (11, 1943072), (16, 1335862), (22, 971536), (32, 667931), (41, 521312), (44, 485768), (82, 260656), (88, 242884), (164, 130328), (176, 121442), (328, 65164), (352, 60721), (451, 47392), (656, 32582), (902, 23696), (1312, 16291), (1481, 14432), (1804, 11848), (2962, 7216), (3608, 5924)]