21088284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251051}}^1$

素因数の和:251065

約数の個数: 24

約数和(自身を含む): 56235648

約数和(自身を除く): 35147364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251051, 502102, 753153, 1004204, 1506306, 1757357, 3012612, 3514714, 5272071, 7029428, 10544142, 21088284]

約数ペア:

[(1, 21088284), (2, 10544142), (3, 7029428), (4, 5272071), (6, 3514714), (7, 3012612), (12, 1757357), (14, 1506306), (21, 1004204), (28, 753153), (42, 502102), (84, 251051)]