21301984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 46433520

約数和(自身を除く): 25131536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 73, 88, 146, 176, 292, 352, 584, 803, 829, 1168, 1606, 1658, 2336, 3212, 3316, 6424, 6632, 9119, 12848, 13264, 18238, 25696, 26528, 36476, 60517, 72952, 121034, 145904, 242068, 291808, 484136, 665687, 968272, 1331374, 1936544, 2662748, 5325496, 10650992, 21301984]

約数ペア:

[(1, 21301984), (2, 10650992), (4, 5325496), (8, 2662748), (11, 1936544), (16, 1331374), (22, 968272), (32, 665687), (44, 484136), (73, 291808), (88, 242068), (146, 145904), (176, 121034), (292, 72952), (352, 60517), (584, 36476), (803, 26528), (829, 25696), (1168, 18238), (1606, 13264), (1658, 12848), (2336, 9119), (3212, 6632), (3316, 6424)]