21130145748

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3600911}}^1$

素因数の和:3601084

約数の個数: 36

約数和(自身を含む): 53740010688

約数和(自身を除く): 32609864940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 5868, 3600911, 7201822, 10802733, 14403644, 21605466, 32408199, 43210932, 64816398, 129632796, 586948493, 1173896986, 1760845479, 2347793972, 3521690958, 5282536437, 7043381916, 10565072874, 21130145748]

約数ペア:

[(1, 21130145748), (2, 10565072874), (3, 7043381916), (4, 5282536437), (6, 3521690958), (9, 2347793972), (12, 1760845479), (18, 1173896986), (36, 586948493), (163, 129632796), (326, 64816398), (489, 43210932), (652, 32408199), (978, 21605466), (1467, 14403644), (1956, 10802733), (2934, 7201822), (5868, 3600911)]