21607758

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27917}}^1$

素因数の和:27968

約数の個数: 24

約数和(自身を含む): 47907288

約数和(自身を除く): 26299530

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27917, 55834, 83751, 167502, 251253, 502506, 1200431, 2400862, 3601293, 7202586, 10803879, 21607758]

約数ペア:

[(1, 21607758), (2, 10803879), (3, 7202586), (6, 3601293), (9, 2400862), (18, 1200431), (43, 502506), (86, 251253), (129, 167502), (258, 83751), (387, 55834), (774, 27917)]