21018090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 53415936

約数和(自身を除く): 32397846

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 166, 230, 249, 345, 367, 415, 498, 690, 734, 830, 1101, 1245, 1835, 1909, 2202, 2490, 3670, 3818, 5505, 5727, 8441, 9545, 11010, 11454, 16882, 19090, 25323, 28635, 30461, 42205, 50646, 57270, 60922, 84410, 91383, 126615, 152305, 182766, 253230, 304610, 456915, 700603, 913830, 1401206, 2101809, 3503015, 4203618, 7006030, 10509045, 21018090]

約数ペア:

[(1, 21018090), (2, 10509045), (3, 7006030), (5, 4203618), (6, 3503015), (10, 2101809), (15, 1401206), (23, 913830), (30, 700603), (46, 456915), (69, 304610), (83, 253230), (115, 182766), (138, 152305), (166, 126615), (230, 91383), (249, 84410), (345, 60922), (367, 57270), (415, 50646), (498, 42205), (690, 30461), (734, 28635), (830, 25323), (1101, 19090), (1245, 16882), (1835, 11454), (1909, 11010), (2202, 9545), (2490, 8441), (3670, 5727), (3818, 5505)]