21452912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6067}}^1$

素因数の和:6105

約数の個数: 40

約数和(自身を含む): 47403216

約数和(自身を除く): 25950304

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 6067, 12134, 24268, 48536, 78871, 97072, 103139, 157742, 206278, 315484, 412556, 630968, 825112, 1261936, 1340807, 1650224, 2681614, 5363228, 10726456, 21452912]

約数ペア:

[(1, 21452912), (2, 10726456), (4, 5363228), (8, 2681614), (13, 1650224), (16, 1340807), (17, 1261936), (26, 825112), (34, 630968), (52, 412556), (68, 315484), (104, 206278), (136, 157742), (208, 103139), (221, 97072), (272, 78871), (442, 48536), (884, 24268), (1768, 12134), (3536, 6067)]