21773286

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 27917082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 631, 639, 1262, 1278, 1893, 1917, 3786, 3834, 5679, 5751, 11358, 11502, 17037, 17253, 34074, 34506, 44801, 51111, 89602, 102222, 134403, 153333, 268806, 306666, 403209, 806418, 1209627, 2419254, 3628881, 7257762, 10886643, 21773286]

約数ペア:

[(1, 21773286), (2, 10886643), (3, 7257762), (6, 3628881), (9, 2419254), (18, 1209627), (27, 806418), (54, 403209), (71, 306666), (81, 268806), (142, 153333), (162, 134403), (213, 102222), (243, 89602), (426, 51111), (486, 44801), (631, 34506), (639, 34074), (1262, 17253), (1278, 17037), (1893, 11502), (1917, 11358), (3786, 5751), (3834, 5679)]