2021729770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{128201}}^1$

素因数の和:128310

約数の個数: 32

約数和(自身を含む): 3876828480

約数和(自身を除く): 1855098710

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 7885, 15770, 128201, 256402, 641005, 1282010, 2435819, 4871638, 10640683, 12179095, 21281366, 24358190, 53203415, 106406830, 202172977, 404345954, 1010864885, 2021729770]

約数ペア:

[(1, 2021729770), (2, 1010864885), (5, 404345954), (10, 202172977), (19, 106406830), (38, 53203415), (83, 24358190), (95, 21281366), (166, 12179095), (190, 10640683), (415, 4871638), (830, 2435819), (1577, 1282010), (3154, 641005), (7885, 256402), (15770, 128201)]