21283660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 48172320

約数和(自身を除く): 26888660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1061, 1180, 2006, 2122, 4012, 4244, 5015, 5305, 10030, 10610, 18037, 20060, 21220, 36074, 62599, 72148, 90185, 125198, 180370, 250396, 312995, 360740, 625990, 1064183, 1251980, 2128366, 4256732, 5320915, 10641830, 21283660]

約数ペア:

[(1, 21283660), (2, 10641830), (4, 5320915), (5, 4256732), (10, 2128366), (17, 1251980), (20, 1064183), (34, 625990), (59, 360740), (68, 312995), (85, 250396), (118, 180370), (170, 125198), (236, 90185), (295, 72148), (340, 62599), (590, 36074), (1003, 21220), (1061, 20060), (1180, 18037), (2006, 10610), (2122, 10030), (4012, 5305), (4244, 5015)]