21338418

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 44115264

約数和(自身を除く): 22776846

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 277, 347, 554, 694, 831, 1041, 1662, 2082, 10249, 12839, 20498, 25678, 30747, 38517, 61494, 77034, 96119, 192238, 288357, 576714, 3556403, 7112806, 10669209, 21338418]

約数ペア:

[(1, 21338418), (2, 10669209), (3, 7112806), (6, 3556403), (37, 576714), (74, 288357), (111, 192238), (222, 96119), (277, 77034), (347, 61494), (554, 38517), (694, 30747), (831, 25678), (1041, 20498), (1662, 12839), (2082, 10249)]