21392694

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{941}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 47702880

約数和(自身を除く): 26310186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 941, 1263, 1882, 2526, 2823, 3789, 5646, 7578, 8469, 11367, 16938, 22734, 25407, 50814, 396161, 792322, 1188483, 2376966, 3565449, 7130898, 10696347, 21392694]

約数ペア:

[(1, 21392694), (2, 10696347), (3, 7130898), (6, 3565449), (9, 2376966), (18, 1188483), (27, 792322), (54, 396161), (421, 50814), (842, 25407), (941, 22734), (1263, 16938), (1882, 11367), (2526, 8469), (2823, 7578), (3789, 5646)]