21867692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70999}}^1$

素因数の和:71021

約数の個数: 24

約数和(自身を含む): 47712000

約数和(自身を除く): 25844308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70999, 141998, 283996, 496993, 780989, 993986, 1561978, 1987972, 3123956, 5466923, 10933846, 21867692]

約数ペア:

[(1, 21867692), (2, 10933846), (4, 5466923), (7, 3123956), (11, 1987972), (14, 1561978), (22, 993986), (28, 780989), (44, 496993), (77, 283996), (154, 141998), (308, 70999)]