21690624

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 58801792

約数和(自身を除く): 37111168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 463, 488, 732, 768, 926, 976, 1389, 1464, 1852, 1952, 2778, 2928, 3704, 3904, 5556, 5856, 7408, 7808, 11112, 11712, 14816, 15616, 22224, 23424, 28243, 29632, 44448, 46848, 56486, 59264, 84729, 88896, 112972, 118528, 169458, 177792, 225944, 338916, 355584, 451888, 677832, 903776, 1355664, 1807552, 2711328, 3615104, 5422656, 7230208, 10845312, 21690624]

約数ペア:

[(1, 21690624), (2, 10845312), (3, 7230208), (4, 5422656), (6, 3615104), (8, 2711328), (12, 1807552), (16, 1355664), (24, 903776), (32, 677832), (48, 451888), (61, 355584), (64, 338916), (96, 225944), (122, 177792), (128, 169458), (183, 118528), (192, 112972), (244, 88896), (256, 84729), (366, 59264), (384, 56486), (463, 46848), (488, 44448), (732, 29632), (768, 28243), (926, 23424), (976, 22224), (1389, 15616), (1464, 14816), (1852, 11712), (1952, 11112), (2778, 7808), (2928, 7408), (3704, 5856), (3904, 5556)]