21085932

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1451}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 56593152

約数和(自身を除く): 35507220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 173, 346, 519, 692, 1038, 1211, 1451, 2076, 2422, 2902, 3633, 4353, 4844, 5804, 7266, 8706, 10157, 14532, 17412, 20314, 30471, 40628, 60942, 121884, 251023, 502046, 753069, 1004092, 1506138, 1757161, 3012276, 3514322, 5271483, 7028644, 10542966, 21085932]

約数ペア:

[(1, 21085932), (2, 10542966), (3, 7028644), (4, 5271483), (6, 3514322), (7, 3012276), (12, 1757161), (14, 1506138), (21, 1004092), (28, 753069), (42, 502046), (84, 251023), (173, 121884), (346, 60942), (519, 40628), (692, 30471), (1038, 20314), (1211, 17412), (1451, 14532), (2076, 10157), (2422, 8706), (2902, 7266), (3633, 5804), (4353, 4844)]