21451931

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 1879909

約数列:

[1, 19, 61, 83, 223, 1159, 1577, 4237, 5063, 13603, 18509, 96197, 258457, 351671, 1129049, 21451931]

約数ペア:

[(1, 21451931), (19, 1129049), (61, 351671), (83, 258457), (223, 96197), (1159, 18509), (1577, 13603), (4237, 5063)]