21476252830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1\times {\mathrm{70853}}^1$

素因数の和:72660

約数の個数: 32

約数和(自身を含む): 40954745664

約数和(自身を除く): 19478492834

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1783, 3566, 8915, 17830, 30311, 60622, 70853, 141706, 151555, 303110, 354265, 708530, 1204501, 2409002, 6022505, 12045010, 126330899, 252661798, 631654495, 1263308990, 2147625283, 4295250566, 10738126415, 21476252830]

約数ペア:

[(1, 21476252830), (2, 10738126415), (5, 4295250566), (10, 2147625283), (17, 1263308990), (34, 631654495), (85, 252661798), (170, 126330899), (1783, 12045010), (3566, 6022505), (8915, 2409002), (17830, 1204501), (30311, 708530), (60622, 354265), (70853, 303110), (141706, 151555)]