13871220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21017}}^1$

素因数の和:21040

約数の個数: 48

約数和(自身を含む): 42372288

約数和(自身を除く): 28501068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 21017, 42034, 63051, 84068, 105085, 126102, 210170, 231187, 252204, 315255, 420340, 462374, 630510, 693561, 924748, 1155935, 1261020, 1387122, 2311870, 2774244, 3467805, 4623740, 6935610, 13871220]

約数ペア:

[(1, 13871220), (2, 6935610), (3, 4623740), (4, 3467805), (5, 2774244), (6, 2311870), (10, 1387122), (11, 1261020), (12, 1155935), (15, 924748), (20, 693561), (22, 630510), (30, 462374), (33, 420340), (44, 315255), (55, 252204), (60, 231187), (66, 210170), (110, 126102), (132, 105085), (165, 84068), (220, 63051), (330, 42034), (660, 21017)]