21363020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{21799}}^1$

素因数の和:21822

約数の個数: 36

約数和(自身を含む): 52189200

約数和(自身を除く): 30826180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 21799, 43598, 87196, 108995, 152593, 217990, 305186, 435980, 610372, 762965, 1068151, 1525930, 2136302, 3051860, 4272604, 5340755, 10681510, 21363020]

約数ペア:

[(1, 21363020), (2, 10681510), (4, 5340755), (5, 4272604), (7, 3051860), (10, 2136302), (14, 1525930), (20, 1068151), (28, 762965), (35, 610372), (49, 435980), (70, 305186), (98, 217990), (140, 152593), (196, 108995), (245, 87196), (490, 43598), (980, 21799)]