21889686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 55093248

約数和(自身を除く): 33203562

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 853, 987, 1222, 1706, 1833, 1974, 2559, 3666, 4277, 5118, 5971, 8554, 11089, 11942, 12831, 17913, 22178, 25662, 33267, 35826, 40091, 66534, 77623, 80182, 120273, 155246, 232869, 240546, 280637, 465738, 521183, 561274, 841911, 1042366, 1563549, 1683822, 3127098, 3648281, 7296562, 10944843, 21889686]

約数ペア:

[(1, 21889686), (2, 10944843), (3, 7296562), (6, 3648281), (7, 3127098), (13, 1683822), (14, 1563549), (21, 1042366), (26, 841911), (39, 561274), (42, 521183), (47, 465738), (78, 280637), (91, 240546), (94, 232869), (141, 155246), (182, 120273), (273, 80182), (282, 77623), (329, 66534), (546, 40091), (611, 35826), (658, 33267), (853, 25662), (987, 22178), (1222, 17913), (1706, 12831), (1833, 11942), (1974, 11089), (2559, 8554), (3666, 5971), (4277, 5118)]