21272070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8543}}^1$

素因数の和:8636

約数の個数: 32

約数和(自身を含む): 51674112

約数和(自身を除く): 30402042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8543, 17086, 25629, 42715, 51258, 85430, 128145, 256290, 709069, 1418138, 2127207, 3545345, 4254414, 7090690, 10636035, 21272070]

約数ペア:

[(1, 21272070), (2, 10636035), (3, 7090690), (5, 4254414), (6, 3545345), (10, 2127207), (15, 1418138), (30, 709069), (83, 256290), (166, 128145), (249, 85430), (415, 51258), (498, 42715), (830, 25629), (1245, 17086), (2490, 8543)]