21959580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21529}}^1$

素因数の和:21558

約数の個数: 48

約数和(自身を含む): 65106720

約数和(自身を除く): 43147140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21529, 43058, 64587, 86116, 107645, 129174, 215290, 258348, 322935, 365993, 430580, 645870, 731986, 1097979, 1291740, 1463972, 1829965, 2195958, 3659930, 4391916, 5489895, 7319860, 10979790, 21959580]

約数ペア:

[(1, 21959580), (2, 10979790), (3, 7319860), (4, 5489895), (5, 4391916), (6, 3659930), (10, 2195958), (12, 1829965), (15, 1463972), (17, 1291740), (20, 1097979), (30, 731986), (34, 645870), (51, 430580), (60, 365993), (68, 322935), (85, 258348), (102, 215290), (170, 129174), (204, 107645), (255, 86116), (340, 64587), (510, 43058), (1020, 21529)]