21051291243

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{2333}}^1\times {\mathrm{158303}}^1$

素因数の和:160658

約数の個数: 16

約数和(自身を含む): 29558522880

約数和(自身を除く): 8507231637

約数列:

[1, 3, 19, 57, 2333, 6999, 44327, 132981, 158303, 474909, 3007757, 9023271, 369320899, 1107962697, 7017097081, 21051291243]

約数ペア:

[(1, 21051291243), (3, 7017097081), (19, 1107962697), (57, 369320899), (2333, 9023271), (6999, 3007757), (44327, 474909), (132981, 158303)]