21757386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4079}}^1$

素因数の和:4218

約数の個数: 32

約数和(自身を含む): 50135040

約数和(自身を除く): 28377654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 4079, 5334, 8158, 12237, 24474, 28553, 57106, 85659, 171318, 518033, 1036066, 1554099, 3108198, 3626231, 7252462, 10878693, 21757386]

約数ペア:

[(1, 21757386), (2, 10878693), (3, 7252462), (6, 3626231), (7, 3108198), (14, 1554099), (21, 1036066), (42, 518033), (127, 171318), (254, 85659), (381, 57106), (762, 28553), (889, 24474), (1778, 12237), (2667, 8158), (4079, 5334)]