21647296

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:437

約数の個数: 56

約数和(自身を含む): 47493936

約数和(自身を除く): 25846640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 97, 176, 194, 317, 352, 388, 634, 704, 776, 1067, 1268, 1552, 2134, 2536, 3104, 3487, 4268, 5072, 6208, 6974, 8536, 10144, 13948, 17072, 20288, 27896, 30749, 34144, 55792, 61498, 68288, 111584, 122996, 223168, 245992, 338239, 491984, 676478, 983968, 1352956, 1967936, 2705912, 5411824, 10823648, 21647296]

約数ペア:

[(1, 21647296), (2, 10823648), (4, 5411824), (8, 2705912), (11, 1967936), (16, 1352956), (22, 983968), (32, 676478), (44, 491984), (64, 338239), (88, 245992), (97, 223168), (176, 122996), (194, 111584), (317, 68288), (352, 61498), (388, 55792), (634, 34144), (704, 30749), (776, 27896), (1067, 20288), (1268, 17072), (1552, 13948), (2134, 10144), (2536, 8536), (3104, 6974), (3487, 6208), (4268, 5072)]