21313116

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 38126628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 107, 132, 198, 214, 321, 396, 428, 503, 642, 963, 1006, 1177, 1284, 1509, 1926, 2012, 2354, 3018, 3531, 3852, 4527, 4708, 5533, 6036, 7062, 9054, 10593, 11066, 14124, 16599, 18108, 21186, 22132, 33198, 42372, 49797, 53821, 66396, 99594, 107642, 161463, 199188, 215284, 322926, 484389, 592031, 645852, 968778, 1184062, 1776093, 1937556, 2368124, 3552186, 5328279, 7104372, 10656558, 21313116]

約数ペア:

[(1, 21313116), (2, 10656558), (3, 7104372), (4, 5328279), (6, 3552186), (9, 2368124), (11, 1937556), (12, 1776093), (18, 1184062), (22, 968778), (33, 645852), (36, 592031), (44, 484389), (66, 322926), (99, 215284), (107, 199188), (132, 161463), (198, 107642), (214, 99594), (321, 66396), (396, 53821), (428, 49797), (503, 42372), (642, 33198), (963, 22132), (1006, 21186), (1177, 18108), (1284, 16599), (1509, 14124), (1926, 11066), (2012, 10593), (2354, 9054), (3018, 7062), (3531, 6036), (3852, 5533), (4527, 4708)]