21836673355

素因数分解:

$5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{461}}^1\times {\mathrm{487}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 30688168896

約数和(自身を除く): 8851495541

約数列:

[1, 5, 7, 35, 49, 245, 397, 461, 487, 1985, 2305, 2435, 2779, 3227, 3409, 13895, 16135, 17045, 19453, 22589, 23863, 97265, 112945, 119315, 183017, 193339, 224507, 915085, 966695, 1122535, 1281119, 1353373, 1571549, 6405595, 6766865, 7857745, 8967833, 9473611, 11000843, 44839165, 47368055, 55004215, 89129279, 445646395, 623904953, 3119524765, 4367334671, 21836673355]

約数ペア:

[(1, 21836673355), (5, 4367334671), (7, 3119524765), (35, 623904953), (49, 445646395), (245, 89129279), (397, 55004215), (461, 47368055), (487, 44839165), (1985, 11000843), (2305, 9473611), (2435, 8967833), (2779, 7857745), (3227, 6766865), (3409, 6405595), (13895, 1571549), (16135, 1353373), (17045, 1281119), (19453, 1122535), (22589, 966695), (23863, 915085), (97265, 224507), (112945, 193339), (119315, 183017)]