21207270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100987}}^1$

素因数の和:101004

約数の個数: 32

約数和(自身を含む): 58169088

約数和(自身を除く): 36961818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100987, 201974, 302961, 504935, 605922, 706909, 1009870, 1413818, 1514805, 2120727, 3029610, 3534545, 4241454, 7069090, 10603635, 21207270]

約数ペア:

[(1, 21207270), (2, 10603635), (3, 7069090), (5, 4241454), (6, 3534545), (7, 3029610), (10, 2120727), (14, 1514805), (15, 1413818), (21, 1009870), (30, 706909), (35, 605922), (42, 504935), (70, 302961), (105, 201974), (210, 100987)]