21968404

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 40582080

約数和(自身を除く): 18613676

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2683, 4094, 5366, 8188, 10732, 61709, 123418, 238787, 246836, 477574, 955148, 5492101, 10984202, 21968404]

約数ペア:

[(1, 21968404), (2, 10984202), (4, 5492101), (23, 955148), (46, 477574), (89, 246836), (92, 238787), (178, 123418), (356, 61709), (2047, 10732), (2683, 8188), (4094, 5366)]