21645185474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{349759}}^1$

素因数の和:349898

約数の個数: 32

約数和(自身を含む): 37018598400

約数和(自身を除く): 15373412926

約数列:

[1, 2, 11, 22, 29, 58, 97, 194, 319, 638, 1067, 2134, 2813, 5626, 30943, 61886, 349759, 699518, 3847349, 7694698, 10143011, 20286022, 33926623, 67853246, 111573121, 223146242, 373192853, 746385706, 983872067, 1967744134, 10822592737, 21645185474]

約数ペア:

[(1, 21645185474), (2, 10822592737), (11, 1967744134), (22, 983872067), (29, 746385706), (58, 373192853), (97, 223146242), (194, 111573121), (319, 67853246), (638, 33926623), (1067, 20286022), (2134, 10143011), (2813, 7694698), (5626, 3847349), (30943, 699518), (61886, 349759)]