20212122414

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{471871}}^1$

素因数の和:471957

約数の個数: 48

約数和(自身を含む): 45186462720

約数和(自身を除く): 24974340306

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 121, 177, 242, 354, 363, 649, 726, 1298, 1947, 3894, 7139, 14278, 21417, 42834, 471871, 943742, 1415613, 2831226, 5190581, 10381162, 15571743, 27840389, 31143486, 55680778, 57096391, 83521167, 114192782, 167042334, 171289173, 306244279, 342578346, 612488558, 918732837, 1837465674, 3368687069, 6737374138, 10106061207, 20212122414]

約数ペア:

[(1, 20212122414), (2, 10106061207), (3, 6737374138), (6, 3368687069), (11, 1837465674), (22, 918732837), (33, 612488558), (59, 342578346), (66, 306244279), (118, 171289173), (121, 167042334), (177, 114192782), (242, 83521167), (354, 57096391), (363, 55680778), (649, 31143486), (726, 27840389), (1298, 15571743), (1947, 10381162), (3894, 5190581), (7139, 2831226), (14278, 1415613), (21417, 943742), (42834, 471871)]