21193965584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{773}}^1\times {\mathrm{155783}}^1$

素因数の和:156575

約数の個数: 40

約数和(自身を含む): 44854575552

約数和(自身を除く): 23660609968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 773, 1546, 3092, 6184, 8503, 12368, 17006, 34012, 68024, 136048, 155783, 311566, 623132, 1246264, 1713613, 2492528, 3427226, 6854452, 13708904, 27417808, 120420259, 240840518, 481681036, 963362072, 1324622849, 1926724144, 2649245698, 5298491396, 10596982792, 21193965584]

約数ペア:

[(1, 21193965584), (2, 10596982792), (4, 5298491396), (8, 2649245698), (11, 1926724144), (16, 1324622849), (22, 963362072), (44, 481681036), (88, 240840518), (176, 120420259), (773, 27417808), (1546, 13708904), (3092, 6854452), (6184, 3427226), (8503, 2492528), (12368, 1713613), (17006, 1246264), (34012, 623132), (68024, 311566), (136048, 155783)]