21995331

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22699}}^1$

素因数の和:22738

約数の個数: 16

約数和(自身を含む): 32688000

約数和(自身を除く): 10692669

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22699, 68097, 385883, 431281, 1157649, 1293843, 7331777, 21995331]

約数ペア:

[(1, 21995331), (3, 7331777), (17, 1293843), (19, 1157649), (51, 431281), (57, 385883), (323, 68097), (969, 22699)]