21304192

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 33531008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 59, 62, 64, 91, 104, 112, 118, 124, 128, 182, 208, 217, 224, 236, 248, 364, 403, 413, 416, 434, 448, 472, 496, 728, 767, 806, 826, 832, 868, 896, 944, 992, 1456, 1534, 1612, 1652, 1664, 1736, 1829, 1888, 1984, 2821, 2912, 3068, 3224, 3304, 3472, 3658, 3776, 3968, 5369, 5642, 5824, 6136, 6448, 6608, 6944, 7316, 7552, 10738, 11284, 11648, 12272, 12803, 12896, 13216, 13888, 14632, 21476, 22568, 23777, 24544, 25606, 25792, 26432, 27776, 29264, 42952, 45136, 47554, 49088, 51212, 51584, 52864, 58528, 85904, 90272, 95108, 98176, 102424, 117056, 166439, 171808, 180544, 190216, 204848, 234112, 332878, 343616, 361088, 380432, 409696, 665756, 687232, 760864, 819392, 1331512, 1521728, 1638784, 2663024, 3043456, 5326048, 10652096, 21304192]

約数ペア:

[(1, 21304192), (2, 10652096), (4, 5326048), (7, 3043456), (8, 2663024), (13, 1638784), (14, 1521728), (16, 1331512), (26, 819392), (28, 760864), (31, 687232), (32, 665756), (52, 409696), (56, 380432), (59, 361088), (62, 343616), (64, 332878), (91, 234112), (104, 204848), (112, 190216), (118, 180544), (124, 171808), (128, 166439), (182, 117056), (208, 102424), (217, 98176), (224, 95108), (236, 90272), (248, 85904), (364, 58528), (403, 52864), (413, 51584), (416, 51212), (434, 49088), (448, 47554), (472, 45136), (496, 42952), (728, 29264), (767, 27776), (806, 26432), (826, 25792), (832, 25606), (868, 24544), (896, 23777), (944, 22568), (992, 21476), (1456, 14632), (1534, 13888), (1612, 13216), (1652, 12896), (1664, 12803), (1736, 12272), (1829, 11648), (1888, 11284), (1984, 10738), (2821, 7552), (2912, 7316), (3068, 6944), (3224, 6608), (3304, 6448), (3472, 6136), (3658, 5824), (3776, 5642), (3968, 5369)]