21180544

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 53721360

約数和(自身を除く): 32540816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 307, 308, 352, 392, 448, 539, 614, 616, 704, 784, 896, 1078, 1228, 1232, 1408, 1568, 2149, 2156, 2456, 2464, 3136, 3377, 4298, 4312, 4912, 4928, 6272, 6754, 8596, 8624, 9824, 9856, 13508, 15043, 17192, 17248, 19648, 23639, 27016, 30086, 34384, 34496, 39296, 47278, 54032, 60172, 68768, 68992, 94556, 108064, 120344, 137536, 165473, 189112, 216128, 240688, 275072, 330946, 378224, 432256, 481376, 661892, 756448, 962752, 1323784, 1512896, 1925504, 2647568, 3025792, 5295136, 10590272, 21180544]

約数ペア:

[(1, 21180544), (2, 10590272), (4, 5295136), (7, 3025792), (8, 2647568), (11, 1925504), (14, 1512896), (16, 1323784), (22, 962752), (28, 756448), (32, 661892), (44, 481376), (49, 432256), (56, 378224), (64, 330946), (77, 275072), (88, 240688), (98, 216128), (112, 189112), (128, 165473), (154, 137536), (176, 120344), (196, 108064), (224, 94556), (307, 68992), (308, 68768), (352, 60172), (392, 54032), (448, 47278), (539, 39296), (614, 34496), (616, 34384), (704, 30086), (784, 27016), (896, 23639), (1078, 19648), (1228, 17248), (1232, 17192), (1408, 15043), (1568, 13508), (2149, 9856), (2156, 9824), (2456, 8624), (2464, 8596), (3136, 6754), (3377, 6272), (4298, 4928), (4312, 4912)]