21441728

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:278

約数の個数: 112

約数和(自身を含む): 56083200

約数和(自身を除く): 34641472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 229, 266, 304, 308, 352, 418, 448, 458, 532, 608, 616, 704, 836, 916, 1064, 1216, 1232, 1463, 1603, 1672, 1832, 2128, 2464, 2519, 2926, 3206, 3344, 3664, 4256, 4351, 4928, 5038, 5852, 6412, 6688, 7328, 8512, 8702, 10076, 11704, 12824, 13376, 14656, 17404, 17633, 20152, 23408, 25648, 30457, 34808, 35266, 40304, 46816, 47861, 51296, 60914, 69616, 70532, 80608, 93632, 95722, 102592, 121828, 139232, 141064, 161216, 191444, 243656, 278464, 282128, 335027, 382888, 487312, 564256, 670054, 765776, 974624, 1128512, 1340108, 1531552, 1949248, 2680216, 3063104, 5360432, 10720864, 21441728]

約数ペア:

[(1, 21441728), (2, 10720864), (4, 5360432), (7, 3063104), (8, 2680216), (11, 1949248), (14, 1531552), (16, 1340108), (19, 1128512), (22, 974624), (28, 765776), (32, 670054), (38, 564256), (44, 487312), (56, 382888), (64, 335027), (76, 282128), (77, 278464), (88, 243656), (112, 191444), (133, 161216), (152, 141064), (154, 139232), (176, 121828), (209, 102592), (224, 95722), (229, 93632), (266, 80608), (304, 70532), (308, 69616), (352, 60914), (418, 51296), (448, 47861), (458, 46816), (532, 40304), (608, 35266), (616, 34808), (704, 30457), (836, 25648), (916, 23408), (1064, 20152), (1216, 17633), (1232, 17404), (1463, 14656), (1603, 13376), (1672, 12824), (1832, 11704), (2128, 10076), (2464, 8702), (2519, 8512), (2926, 7328), (3206, 6688), (3344, 6412), (3664, 5852), (4256, 5038), (4351, 4928)]