21468207

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 30324736

約数和(自身を除く): 8856529

約数列:

[1, 3, 29, 67, 87, 127, 201, 381, 841, 1943, 2523, 3683, 5829, 8509, 11049, 25527, 56347, 106807, 169041, 246761, 320421, 740283, 7156069, 21468207]

約数ペア:

[(1, 21468207), (3, 7156069), (29, 740283), (67, 320421), (87, 246761), (127, 169041), (201, 106807), (381, 56347), (841, 25527), (1943, 11049), (2523, 8509), (3683, 5829)]