21758470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 41796000

約数和(自身を除く): 20037530

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 859, 1490, 1718, 2533, 4295, 5066, 8590, 12665, 14603, 25330, 29206, 73015, 127991, 146030, 255982, 639955, 1279910, 2175847, 4351694, 10879235, 21758470]

約数ペア:

[(1, 21758470), (2, 10879235), (5, 4351694), (10, 2175847), (17, 1279910), (34, 639955), (85, 255982), (149, 146030), (170, 127991), (298, 73015), (745, 29206), (859, 25330), (1490, 14603), (1718, 12665), (2533, 8590), (4295, 5066)]