21196857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9587}}^1$

素因数の和:9668

約数の個数: 16

約数和(自身を含む): 31295232

約数和(自身を除く): 10098375

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9587, 28761, 105457, 316371, 642329, 1926987, 7065619, 21196857]

約数ペア:

[(1, 21196857), (3, 7065619), (11, 1926987), (33, 642329), (67, 316371), (201, 105457), (737, 28761), (2211, 9587)]