21528078

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2321

約数の個数: 48

約数和(自身を含む): 50989008

約数和(自身を除く): 29460930

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2281, 3146, 4562, 4719, 6843, 9438, 13686, 25091, 29653, 50182, 59306, 75273, 88959, 150546, 177918, 276001, 326183, 552002, 652366, 828003, 978549, 1656006, 1957098, 3588013, 7176026, 10764039, 21528078]

約数ペア:

[(1, 21528078), (2, 10764039), (3, 7176026), (6, 3588013), (11, 1957098), (13, 1656006), (22, 978549), (26, 828003), (33, 652366), (39, 552002), (66, 326183), (78, 276001), (121, 177918), (143, 150546), (242, 88959), (286, 75273), (363, 59306), (429, 50182), (726, 29653), (858, 25091), (1573, 13686), (2281, 9438), (3146, 6843), (4562, 4719)]