21380458854

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1\times {\mathrm{53819}}^1$

素因数の和:54804

約数の個数: 32

約数和(自身を含む): 43395281280

約数和(自身を除く): 22014822426

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 907, 1814, 2721, 5442, 53819, 66211, 107638, 132422, 161457, 198633, 322914, 397266, 3928787, 7857574, 11786361, 23572722, 48813833, 97627666, 146441499, 292882998, 3563409809, 7126819618, 10690229427, 21380458854]

約数ペア:

[(1, 21380458854), (2, 10690229427), (3, 7126819618), (6, 3563409809), (73, 292882998), (146, 146441499), (219, 97627666), (438, 48813833), (907, 23572722), (1814, 11786361), (2721, 7857574), (5442, 3928787), (53819, 397266), (66211, 322914), (107638, 198633), (132422, 161457)]