21798645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132113}}^1$

素因数の和:132132

約数の個数: 16

約数和(自身を含む): 38048832

約数和(自身を除く): 16250187

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132113, 396339, 660565, 1453243, 1981695, 4359729, 7266215, 21798645]

約数ペア:

[(1, 21798645), (3, 7266215), (5, 4359729), (11, 1981695), (15, 1453243), (33, 660565), (55, 396339), (165, 132113)]