21194403

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 28783776

約数和(自身を除く): 7589373

約数列:

[1, 3, 97, 173, 291, 421, 519, 1263, 16781, 40837, 50343, 72833, 122511, 218499, 7064801, 21194403]

約数ペア:

[(1, 21194403), (3, 7064801), (97, 218499), (173, 122511), (291, 72833), (421, 50343), (519, 40837), (1263, 16781)]