21830139

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 32323200

約数和(自身を除く): 10493061

約数列:

[1, 3, 9, 73, 149, 219, 223, 447, 657, 669, 1341, 2007, 10877, 16279, 32631, 33227, 48837, 97893, 99681, 146511, 299043, 2425571, 7276713, 21830139]

約数ペア:

[(1, 21830139), (3, 7276713), (9, 2425571), (73, 299043), (149, 146511), (219, 99681), (223, 97893), (447, 48837), (657, 33227), (669, 32631), (1341, 16279), (2007, 10877)]