21379936

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7507}}^1$

素因数の和:7606

約数の個数: 24

約数和(自身を含む): 42570360

約数和(自身を除く): 21190424

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7507, 15014, 30028, 60056, 120112, 240224, 668123, 1336246, 2672492, 5344984, 10689968, 21379936]

約数ペア:

[(1, 21379936), (2, 10689968), (4, 5344984), (8, 2672492), (16, 1336246), (32, 668123), (89, 240224), (178, 120112), (356, 60056), (712, 30028), (1424, 15014), (2848, 7507)]