21547228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{599}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 41806800

約数和(自身を除く): 20259572

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 529, 599, 782, 1058, 1198, 1564, 2116, 2396, 8993, 10183, 13777, 17986, 20366, 27554, 35972, 40732, 55108, 234209, 316871, 468418, 633742, 936836, 1267484, 5386807, 10773614, 21547228]

約数ペア:

[(1, 21547228), (2, 10773614), (4, 5386807), (17, 1267484), (23, 936836), (34, 633742), (46, 468418), (68, 316871), (92, 234209), (391, 55108), (529, 40732), (599, 35972), (782, 27554), (1058, 20366), (1198, 17986), (1564, 13777), (2116, 10183), (2396, 8993)]