21261535328

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{43237}}^1$

素因数の和:43396

約数の個数: 72

約数和(自身を含む): 46373273856

約数和(自身を除く): 25111738528

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 127, 176, 242, 254, 352, 484, 508, 968, 1016, 1397, 1936, 2032, 2794, 3872, 4064, 5588, 11176, 15367, 22352, 30734, 43237, 44704, 61468, 86474, 122936, 172948, 245872, 345896, 475607, 491744, 691792, 951214, 1383584, 1902428, 3804856, 5231677, 5491099, 7609712, 10463354, 10982198, 15219424, 20926708, 21964396, 41853416, 43928792, 60402089, 83706832, 87857584, 120804178, 167413664, 175715168, 241608356, 483216712, 664422979, 966433424, 1328845958, 1932866848, 2657691916, 5315383832, 10630767664, 21261535328]

約数ペア:

[(1, 21261535328), (2, 10630767664), (4, 5315383832), (8, 2657691916), (11, 1932866848), (16, 1328845958), (22, 966433424), (32, 664422979), (44, 483216712), (88, 241608356), (121, 175715168), (127, 167413664), (176, 120804178), (242, 87857584), (254, 83706832), (352, 60402089), (484, 43928792), (508, 41853416), (968, 21964396), (1016, 20926708), (1397, 15219424), (1936, 10982198), (2032, 10463354), (2794, 7609712), (3872, 5491099), (4064, 5231677), (5588, 3804856), (11176, 1902428), (15367, 1383584), (22352, 951214), (30734, 691792), (43237, 491744), (44704, 475607), (61468, 345896), (86474, 245872), (122936, 172948)]