21259594

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4951}}^1$

素因数の和:5085

約数の個数: 16

約数和(自身を含む): 33871680

約数和(自身を除く): 12612086

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4951, 9902, 94069, 188138, 559463, 1118926, 10629797, 21259594]

約数ペア:

[(1, 21259594), (2, 10629797), (19, 1118926), (38, 559463), (113, 188138), (226, 94069), (2147, 9902), (4294, 4951)]