21790132276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{547}}^1\times {\mathrm{3607}}^1$

素因数の和:4420

約数の個数: 48

約数和(自身を含む): 41853030912

約数和(自身を除く): 20062898636

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 547, 1004, 1094, 2188, 2761, 3607, 5522, 6017, 7214, 11044, 12034, 14428, 24068, 39677, 79354, 137297, 158708, 274594, 549188, 905357, 1510267, 1810714, 1973029, 3020534, 3621428, 3946058, 6041068, 7892116, 9958927, 19917854, 21703319, 39835708, 43406638, 86813276, 495230279, 990460558, 1980921116, 5447533069, 10895066138, 21790132276]

約数ペア:

[(1, 21790132276), (2, 10895066138), (4, 5447533069), (11, 1980921116), (22, 990460558), (44, 495230279), (251, 86813276), (502, 43406638), (547, 39835708), (1004, 21703319), (1094, 19917854), (2188, 9958927), (2761, 7892116), (3607, 6041068), (5522, 3946058), (6017, 3621428), (7214, 3020534), (11044, 1973029), (12034, 1810714), (14428, 1510267), (24068, 905357), (39677, 549188), (79354, 274594), (137297, 158708)]