21010248

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41687}}^1$

素因数の和:41706

約数の個数: 48

約数和(自身を含む): 65033280

約数和(自身を除く): 44023032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41687, 83374, 125061, 166748, 250122, 291809, 333496, 375183, 500244, 583618, 750366, 875427, 1000488, 1167236, 1500732, 1750854, 2334472, 2626281, 3001464, 3501708, 5252562, 7003416, 10505124, 21010248]

約数ペア:

[(1, 21010248), (2, 10505124), (3, 7003416), (4, 5252562), (6, 3501708), (7, 3001464), (8, 2626281), (9, 2334472), (12, 1750854), (14, 1500732), (18, 1167236), (21, 1000488), (24, 875427), (28, 750366), (36, 583618), (42, 500244), (56, 375183), (63, 333496), (72, 291809), (84, 250122), (126, 166748), (168, 125061), (252, 83374), (504, 41687)]