21139937236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{797}}^1\times {\mathrm{2857}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 40614420672

約数和(自身を除く): 19474483436

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 797, 844, 1594, 2321, 2857, 3188, 4642, 5714, 8767, 9284, 11428, 17534, 31427, 35068, 62854, 125708, 168167, 336334, 602827, 672668, 1205654, 1849837, 2277029, 2411308, 3699674, 4554058, 6631097, 7399348, 9108116, 13262194, 25047319, 26524388, 50094638, 100189276, 480453119, 960906238, 1921812476, 5284984309, 10569968618, 21139937236]

約数ペア:

[(1, 21139937236), (2, 10569968618), (4, 5284984309), (11, 1921812476), (22, 960906238), (44, 480453119), (211, 100189276), (422, 50094638), (797, 26524388), (844, 25047319), (1594, 13262194), (2321, 9108116), (2857, 7399348), (3188, 6631097), (4642, 4554058), (5714, 3699674), (8767, 2411308), (9284, 2277029), (11428, 1849837), (17534, 1205654), (31427, 672668), (35068, 602827), (62854, 336334), (125708, 168167)]