21836750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6719}}^1$

素因数の和:6749

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 22192690

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6719, 13438, 33595, 67190, 87347, 167975, 174694, 335950, 436735, 839875, 873470, 1679750, 2183675, 4367350, 10918375, 21836750]

約数ペア:

[(1, 21836750), (2, 10918375), (5, 4367350), (10, 2183675), (13, 1679750), (25, 873470), (26, 839875), (50, 436735), (65, 335950), (125, 174694), (130, 167975), (250, 87347), (325, 67190), (650, 33595), (1625, 13438), (3250, 6719)]