21435708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{883}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 60790912

約数和(自身を除く): 39355204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 867, 883, 1156, 1428, 1734, 1766, 2023, 2649, 3468, 3532, 4046, 5298, 6069, 6181, 8092, 10596, 12138, 12362, 15011, 18543, 24276, 24724, 30022, 37086, 45033, 60044, 74172, 90066, 105077, 180132, 210154, 255187, 315231, 420308, 510374, 630462, 765561, 1020748, 1260924, 1531122, 1786309, 3062244, 3572618, 5358927, 7145236, 10717854, 21435708]

約数ペア:

[(1, 21435708), (2, 10717854), (3, 7145236), (4, 5358927), (6, 3572618), (7, 3062244), (12, 1786309), (14, 1531122), (17, 1260924), (21, 1020748), (28, 765561), (34, 630462), (42, 510374), (51, 420308), (68, 315231), (84, 255187), (102, 210154), (119, 180132), (204, 105077), (238, 90066), (289, 74172), (357, 60044), (476, 45033), (578, 37086), (714, 30022), (867, 24724), (883, 24276), (1156, 18543), (1428, 15011), (1734, 12362), (1766, 12138), (2023, 10596), (2649, 8092), (3468, 6181), (3532, 6069), (4046, 5298)]