21056500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1873

約数の個数: 48

約数和(自身を含む): 48013056

約数和(自身を除く): 26956556

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1831, 2300, 2875, 3662, 5750, 7324, 9155, 11500, 18310, 36620, 42113, 45775, 84226, 91550, 168452, 183100, 210565, 228875, 421130, 457750, 842260, 915500, 1052825, 2105650, 4211300, 5264125, 10528250, 21056500]

約数ペア:

[(1, 21056500), (2, 10528250), (4, 5264125), (5, 4211300), (10, 2105650), (20, 1052825), (23, 915500), (25, 842260), (46, 457750), (50, 421130), (92, 228875), (100, 210565), (115, 183100), (125, 168452), (230, 91550), (250, 84226), (460, 45775), (500, 42113), (575, 36620), (1150, 18310), (1831, 11500), (2300, 9155), (2875, 7324), (3662, 5750)]