21495536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70709}}^1$

素因数の和:70736

約数の個数: 20

約数和(自身を含む): 43840200

約数和(自身を除く): 22344664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70709, 141418, 282836, 565672, 1131344, 1343471, 2686942, 5373884, 10747768, 21495536]

約数ペア:

[(1, 21495536), (2, 10747768), (4, 5373884), (8, 2686942), (16, 1343471), (19, 1131344), (38, 565672), (76, 282836), (152, 141418), (304, 70709)]