21373203

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{5227}}^1$

素因数の和:5306

約数の個数: 16

約数和(自身を含む): 30113280

約数和(自身を除く): 8740077

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 5227, 15681, 151583, 245669, 454749, 737007, 7124401, 21373203]

約数ペア:

[(1, 21373203), (3, 7124401), (29, 737007), (47, 454749), (87, 245669), (141, 151583), (1363, 15681), (4089, 5227)]