21303788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 24056212

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1499, 2998, 3553, 5996, 7106, 14212, 16489, 25483, 28481, 32978, 50966, 56962, 65956, 101932, 113924, 280313, 313291, 484177, 560626, 626582, 968354, 1121252, 1253164, 1936708, 5325947, 10651894, 21303788]

約数ペア:

[(1, 21303788), (2, 10651894), (4, 5325947), (11, 1936708), (17, 1253164), (19, 1121252), (22, 968354), (34, 626582), (38, 560626), (44, 484177), (68, 313291), (76, 280313), (187, 113924), (209, 101932), (323, 65956), (374, 56962), (418, 50966), (646, 32978), (748, 28481), (836, 25483), (1292, 16489), (1499, 14212), (2998, 7106), (3553, 5996)]