21461778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 51321816

約数和(自身を除く): 29860038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2237, 3198, 4474, 4797, 6711, 9594, 13422, 20133, 29081, 40266, 58162, 87243, 91717, 174486, 183434, 261729, 275151, 523458, 550302, 825453, 1192321, 1650906, 2384642, 3576963, 7153926, 10730889, 21461778]

約数ペア:

[(1, 21461778), (2, 10730889), (3, 7153926), (6, 3576963), (9, 2384642), (13, 1650906), (18, 1192321), (26, 825453), (39, 550302), (41, 523458), (78, 275151), (82, 261729), (117, 183434), (123, 174486), (234, 91717), (246, 87243), (369, 58162), (533, 40266), (738, 29081), (1066, 20133), (1599, 13422), (2237, 9594), (3198, 6711), (4474, 4797)]