21340814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 37863936

約数和(自身を除く): 16523122

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1327, 1462, 2654, 8041, 14597, 16082, 22559, 29194, 45118, 57061, 114122, 248149, 496298, 627671, 970037, 1255342, 1940074, 10670407, 21340814]

約数ペア:

[(1, 21340814), (2, 10670407), (11, 1940074), (17, 1255342), (22, 970037), (34, 627671), (43, 496298), (86, 248149), (187, 114122), (374, 57061), (473, 45118), (731, 29194), (946, 22559), (1327, 16082), (1462, 14597), (2654, 8041)]