21907338

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{68891}}^1$

素因数の和:68949

約数の個数: 16

約数和(自身を含む): 44642016

約数和(自身を除く): 22734678

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 68891, 137782, 206673, 413346, 3651223, 7302446, 10953669, 21907338]

約数ペア:

[(1, 21907338), (2, 10953669), (3, 7302446), (6, 3651223), (53, 413346), (106, 206673), (159, 137782), (318, 68891)]