20210946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 51499008

約数和(自身を除く): 31288062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 43, 57, 62, 86, 93, 114, 129, 133, 186, 217, 258, 266, 301, 361, 399, 434, 589, 602, 651, 722, 798, 817, 903, 1083, 1178, 1302, 1333, 1634, 1767, 1806, 2166, 2451, 2527, 2666, 3534, 3999, 4123, 4902, 5054, 5719, 7581, 7998, 8246, 9331, 11191, 11438, 12369, 15162, 15523, 17157, 18662, 22382, 24738, 25327, 27993, 31046, 33573, 34314, 46569, 50654, 55986, 67146, 75981, 78337, 93138, 108661, 151962, 156674, 177289, 217322, 235011, 325983, 354578, 470022, 481213, 531867, 651966, 962426, 1063734, 1443639, 2887278, 3368491, 6736982, 10105473, 20210946]

約数ペア:

[(1, 20210946), (2, 10105473), (3, 6736982), (6, 3368491), (7, 2887278), (14, 1443639), (19, 1063734), (21, 962426), (31, 651966), (38, 531867), (42, 481213), (43, 470022), (57, 354578), (62, 325983), (86, 235011), (93, 217322), (114, 177289), (129, 156674), (133, 151962), (186, 108661), (217, 93138), (258, 78337), (266, 75981), (301, 67146), (361, 55986), (399, 50654), (434, 46569), (589, 34314), (602, 33573), (651, 31046), (722, 27993), (798, 25327), (817, 24738), (903, 22382), (1083, 18662), (1178, 17157), (1302, 15523), (1333, 15162), (1634, 12369), (1767, 11438), (1806, 11191), (2166, 9331), (2451, 8246), (2527, 7998), (2666, 7581), (3534, 5719), (3999, 5054), (4123, 4902)]