21752416

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 72

約数和(自身を含む): 51846480

約数和(自身を除く): 30094064

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 269, 304, 361, 532, 538, 608, 722, 1064, 1076, 1444, 1883, 2128, 2152, 2527, 2888, 3766, 4256, 4304, 5054, 5111, 5776, 7532, 8608, 10108, 10222, 11552, 15064, 20216, 20444, 30128, 35777, 40432, 40888, 60256, 71554, 80864, 81776, 97109, 143108, 163552, 194218, 286216, 388436, 572432, 679763, 776872, 1144864, 1359526, 1553744, 2719052, 3107488, 5438104, 10876208, 21752416]

約数ペア:

[(1, 21752416), (2, 10876208), (4, 5438104), (7, 3107488), (8, 2719052), (14, 1553744), (16, 1359526), (19, 1144864), (28, 776872), (32, 679763), (38, 572432), (56, 388436), (76, 286216), (112, 194218), (133, 163552), (152, 143108), (224, 97109), (266, 81776), (269, 80864), (304, 71554), (361, 60256), (532, 40888), (538, 40432), (608, 35777), (722, 30128), (1064, 20444), (1076, 20216), (1444, 15064), (1883, 11552), (2128, 10222), (2152, 10108), (2527, 8608), (2888, 7532), (3766, 5776), (4256, 5111), (4304, 5054)]