21045340946

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{117413}}^1$

素因数の和:117519

約数の個数: 48

約数和(自身を含む): 38549364480

約数和(自身を除く): 17504023534

約数列:

[1, 2, 7, 14, 31, 49, 59, 62, 98, 118, 217, 413, 434, 826, 1519, 1829, 2891, 3038, 3658, 5782, 12803, 25606, 89621, 117413, 179242, 234826, 821891, 1643782, 3639803, 5753237, 6927367, 7279606, 11506474, 13854734, 25478621, 48491569, 50957242, 96983138, 178350347, 214748377, 339440983, 356700694, 429496754, 678881966, 1503238639, 3006477278, 10522670473, 21045340946]

約数ペア:

[(1, 21045340946), (2, 10522670473), (7, 3006477278), (14, 1503238639), (31, 678881966), (49, 429496754), (59, 356700694), (62, 339440983), (98, 214748377), (118, 178350347), (217, 96983138), (413, 50957242), (434, 48491569), (826, 25478621), (1519, 13854734), (1829, 11506474), (2891, 7279606), (3038, 6927367), (3658, 5753237), (5782, 3639803), (12803, 1643782), (25606, 821891), (89621, 234826), (117413, 179242)]