21445304

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 42493440

約数和(自身を除く): 21048136

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2011, 2666, 4022, 5332, 8044, 10664, 16088, 62341, 86473, 124682, 172946, 249364, 345892, 498728, 691784, 2680663, 5361326, 10722652, 21445304]

約数ペア:

[(1, 21445304), (2, 10722652), (4, 5361326), (8, 2680663), (31, 691784), (43, 498728), (62, 345892), (86, 249364), (124, 172946), (172, 124682), (248, 86473), (344, 62341), (1333, 16088), (2011, 10664), (2666, 8044), (4022, 5332)]