21567714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9689}}^1$

素因数の和:9754

約数の個数: 32

約数和(自身を含む): 50232960

約数和(自身を除く): 28665246

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9689, 19378, 29067, 58134, 67823, 135646, 203469, 406938, 513517, 1027034, 1540551, 3081102, 3594619, 7189238, 10783857, 21567714]

約数ペア:

[(1, 21567714), (2, 10783857), (3, 7189238), (6, 3594619), (7, 3081102), (14, 1540551), (21, 1027034), (42, 513517), (53, 406938), (106, 203469), (159, 135646), (318, 67823), (371, 58134), (742, 29067), (1113, 19378), (2226, 9689)]