21935500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2309}}^1$

素因数の和:2347

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 28514900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2309, 2375, 4618, 4750, 9236, 9500, 11545, 23090, 43871, 46180, 57725, 87742, 115450, 175484, 219355, 230900, 288625, 438710, 577250, 877420, 1096775, 1154500, 2193550, 4387100, 5483875, 10967750, 21935500]

約数ペア:

[(1, 21935500), (2, 10967750), (4, 5483875), (5, 4387100), (10, 2193550), (19, 1154500), (20, 1096775), (25, 877420), (38, 577250), (50, 438710), (76, 288625), (95, 230900), (100, 219355), (125, 175484), (190, 115450), (250, 87742), (380, 57725), (475, 46180), (500, 43871), (950, 23090), (1900, 11545), (2309, 9500), (2375, 9236), (4618, 4750)]