21891676

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1597}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 40269600

約数和(自身を除く): 18377924

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1597, 3194, 3427, 6388, 6854, 13708, 36731, 73462, 146924, 237953, 475906, 951812, 5472919, 10945838, 21891676]

約数ペア:

[(1, 21891676), (2, 10945838), (4, 5472919), (23, 951812), (46, 475906), (92, 237953), (149, 146924), (298, 73462), (596, 36731), (1597, 13708), (3194, 6854), (3427, 6388)]