21170235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61363}}^1$

素因数の和:61394

約数の個数: 16

約数和(自身を含む): 35345664

約数和(自身を除く): 14175429

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61363, 184089, 306815, 920445, 1411349, 4234047, 7056745, 21170235]

約数ペア:

[(1, 21170235), (3, 7056745), (5, 4234047), (15, 1411349), (23, 920445), (69, 306815), (115, 184089), (345, 61363)]