21173028

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 51965760

約数和(自身を除く): 30792732

約数列:

[1, 2, 3, 4, 6, 12, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 444, 516, 1109, 1591, 2218, 3182, 3327, 4436, 4773, 6364, 6654, 9546, 13308, 19092, 41033, 47687, 82066, 95374, 123099, 143061, 164132, 190748, 246198, 286122, 492396, 572244, 1764419, 3528838, 5293257, 7057676, 10586514, 21173028]

約数ペア:

[(1, 21173028), (2, 10586514), (3, 7057676), (4, 5293257), (6, 3528838), (12, 1764419), (37, 572244), (43, 492396), (74, 286122), (86, 246198), (111, 190748), (129, 164132), (148, 143061), (172, 123099), (222, 95374), (258, 82066), (444, 47687), (516, 41033), (1109, 19092), (1591, 13308), (2218, 9546), (3182, 6654), (3327, 6364), (4436, 4773)]