21876657

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 14895183

約数列:

[1, 3, 11, 19, 23, 33, 37, 41, 57, 69, 111, 123, 209, 253, 407, 437, 451, 627, 703, 759, 779, 851, 943, 1221, 1311, 1353, 1517, 2109, 2337, 2553, 2829, 4551, 4807, 7733, 8569, 9361, 10373, 14421, 16169, 16687, 17917, 23199, 25707, 28083, 28823, 31119, 34891, 48507, 50061, 53751, 86469, 104673, 177859, 197087, 317053, 383801, 533577, 591261, 662929, 951159, 1151403, 1988787, 7292219, 21876657]

約数ペア:

[(1, 21876657), (3, 7292219), (11, 1988787), (19, 1151403), (23, 951159), (33, 662929), (37, 591261), (41, 533577), (57, 383801), (69, 317053), (111, 197087), (123, 177859), (209, 104673), (253, 86469), (407, 53751), (437, 50061), (451, 48507), (627, 34891), (703, 31119), (759, 28823), (779, 28083), (851, 25707), (943, 23199), (1221, 17917), (1311, 16687), (1353, 16169), (1517, 14421), (2109, 10373), (2337, 9361), (2553, 8569), (2829, 7733), (4551, 4807)]