21679848

素因数分解:

$2^3\times 3^2\times {\mathrm{353}}^1\times {\mathrm{853}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 58951620

約数和(自身を除く): 37271772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 353, 706, 853, 1059, 1412, 1706, 2118, 2559, 2824, 3177, 3412, 4236, 5118, 6354, 6824, 7677, 8472, 10236, 12708, 15354, 20472, 25416, 30708, 61416, 301109, 602218, 903327, 1204436, 1806654, 2408872, 2709981, 3613308, 5419962, 7226616, 10839924, 21679848]

約数ペア:

[(1, 21679848), (2, 10839924), (3, 7226616), (4, 5419962), (6, 3613308), (8, 2709981), (9, 2408872), (12, 1806654), (18, 1204436), (24, 903327), (36, 602218), (72, 301109), (353, 61416), (706, 30708), (853, 25416), (1059, 20472), (1412, 15354), (1706, 12708), (2118, 10236), (2559, 8472), (2824, 7677), (3177, 6824), (3412, 6354), (4236, 5118)]