21059328

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 59382288

約数和(自身を除く): 38322960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1613, 1632, 2176, 3226, 3264, 4352, 4839, 6452, 6528, 9678, 12904, 13056, 19356, 25808, 27421, 38712, 51616, 54842, 77424, 82263, 103232, 109684, 154848, 164526, 206464, 219368, 309696, 329052, 412928, 438736, 619392, 658104, 877472, 1238784, 1316208, 1754944, 2632416, 3509888, 5264832, 7019776, 10529664, 21059328]

約数ペア:

[(1, 21059328), (2, 10529664), (3, 7019776), (4, 5264832), (6, 3509888), (8, 2632416), (12, 1754944), (16, 1316208), (17, 1238784), (24, 877472), (32, 658104), (34, 619392), (48, 438736), (51, 412928), (64, 329052), (68, 309696), (96, 219368), (102, 206464), (128, 164526), (136, 154848), (192, 109684), (204, 103232), (256, 82263), (272, 77424), (384, 54842), (408, 51616), (544, 38712), (768, 27421), (816, 25808), (1088, 19356), (1613, 13056), (1632, 12904), (2176, 9678), (3226, 6528), (3264, 6452), (4352, 4839)]