21182494

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7549}}^1$

素因数の和:7635

約数の個数: 16

約数和(自身を含む): 33703200

約数和(自身を除く): 12520706

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7549, 15098, 173627, 347254, 460489, 920978, 10591247, 21182494]

約数ペア:

[(1, 21182494), (2, 10591247), (23, 920978), (46, 460489), (61, 347254), (122, 173627), (1403, 15098), (2806, 7549)]