21269556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7673}}^1$

素因数の和:7701

約数の個数: 72

約数和(自身を含む): 67040064

約数和(自身を除く): 45770508

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7673, 15346, 23019, 30692, 46038, 53711, 69057, 84403, 92076, 107422, 138114, 161133, 168806, 214844, 253209, 276228, 322266, 337612, 483399, 506418, 590821, 644532, 759627, 966798, 1012836, 1181642, 1519254, 1772463, 1933596, 2363284, 3038508, 3544926, 5317389, 7089852, 10634778, 21269556]

約数ペア:

[(1, 21269556), (2, 10634778), (3, 7089852), (4, 5317389), (6, 3544926), (7, 3038508), (9, 2363284), (11, 1933596), (12, 1772463), (14, 1519254), (18, 1181642), (21, 1012836), (22, 966798), (28, 759627), (33, 644532), (36, 590821), (42, 506418), (44, 483399), (63, 337612), (66, 322266), (77, 276228), (84, 253209), (99, 214844), (126, 168806), (132, 161133), (154, 138114), (198, 107422), (231, 92076), (252, 84403), (308, 69057), (396, 53711), (462, 46038), (693, 30692), (924, 23019), (1386, 15346), (2772, 7673)]