21060088

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26840072

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 83, 92, 161, 166, 184, 197, 322, 332, 394, 581, 644, 664, 788, 1162, 1288, 1379, 1576, 1909, 2324, 2758, 3818, 4531, 4648, 5516, 7636, 9062, 11032, 13363, 15272, 16351, 18124, 26726, 31717, 32702, 36248, 53452, 63434, 65404, 106904, 114457, 126868, 130808, 228914, 253736, 376073, 457828, 752146, 915656, 1504292, 2632511, 3008584, 5265022, 10530044, 21060088]

約数ペア:

[(1, 21060088), (2, 10530044), (4, 5265022), (7, 3008584), (8, 2632511), (14, 1504292), (23, 915656), (28, 752146), (46, 457828), (56, 376073), (83, 253736), (92, 228914), (161, 130808), (166, 126868), (184, 114457), (197, 106904), (322, 65404), (332, 63434), (394, 53452), (581, 36248), (644, 32702), (664, 31717), (788, 26726), (1162, 18124), (1288, 16351), (1379, 15272), (1576, 13363), (1909, 11032), (2324, 9062), (2758, 7636), (3818, 5516), (4531, 4648)]