21676668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 54773376

約数和(自身を除く): 33096708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 283, 491, 566, 849, 982, 1132, 1473, 1698, 1964, 2946, 3396, 3679, 5892, 6383, 7358, 11037, 12766, 14716, 19149, 22074, 25532, 38298, 44148, 76596, 138953, 277906, 416859, 555812, 833718, 1667436, 1806389, 3612778, 5419167, 7225556, 10838334, 21676668]

約数ペア:

[(1, 21676668), (2, 10838334), (3, 7225556), (4, 5419167), (6, 3612778), (12, 1806389), (13, 1667436), (26, 833718), (39, 555812), (52, 416859), (78, 277906), (156, 138953), (283, 76596), (491, 44148), (566, 38298), (849, 25532), (982, 22074), (1132, 19149), (1473, 14716), (1698, 12766), (1964, 11037), (2946, 7358), (3396, 6383), (3679, 5892)]