21953022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1353

約数の個数: 64

約数和(自身を含む): 55824384

約数和(自身を除く): 33871362

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1297, 1302, 2418, 2594, 2821, 3891, 5642, 7782, 8463, 9079, 16861, 16926, 18158, 27237, 33722, 40207, 50583, 54474, 80414, 101166, 118027, 120621, 236054, 241242, 281449, 354081, 522691, 562898, 708162, 844347, 1045382, 1568073, 1688694, 3136146, 3658837, 7317674, 10976511, 21953022]

約数ペア:

[(1, 21953022), (2, 10976511), (3, 7317674), (6, 3658837), (7, 3136146), (13, 1688694), (14, 1568073), (21, 1045382), (26, 844347), (31, 708162), (39, 562898), (42, 522691), (62, 354081), (78, 281449), (91, 241242), (93, 236054), (182, 120621), (186, 118027), (217, 101166), (273, 80414), (403, 54474), (434, 50583), (546, 40207), (651, 33722), (806, 27237), (1209, 18158), (1297, 16926), (1302, 16861), (2418, 9079), (2594, 8463), (2821, 7782), (3891, 5642)]