21230590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 39214080

約数和(自身を除く): 17983490

約数列:

[1, 2, 5, 10, 73, 127, 146, 229, 254, 365, 458, 635, 730, 1145, 1270, 2290, 9271, 16717, 18542, 29083, 33434, 46355, 58166, 83585, 92710, 145415, 167170, 290830, 2123059, 4246118, 10615295, 21230590]

約数ペア:

[(1, 21230590), (2, 10615295), (5, 4246118), (10, 2123059), (73, 290830), (127, 167170), (146, 145415), (229, 92710), (254, 83585), (365, 58166), (458, 46355), (635, 33434), (730, 29083), (1145, 18542), (1270, 16717), (2290, 9271)]