17721228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{210967}}^1$

素因数の和:210981

約数の個数: 24

約数和(自身を含む): 47256832

約数和(自身を除く): 29535604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 210967, 421934, 632901, 843868, 1265802, 1476769, 2531604, 2953538, 4430307, 5907076, 8860614, 17721228]

約数ペア:

[(1, 17721228), (2, 8860614), (3, 5907076), (4, 4430307), (6, 2953538), (7, 2531604), (12, 1476769), (14, 1265802), (21, 843868), (28, 632901), (42, 421934), (84, 210967)]