21859236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86743}}^1$

素因数の和:86760

約数の個数: 36

約数和(自身を含む): 63149632

約数和(自身を除く): 41290396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86743, 173486, 260229, 346972, 520458, 607201, 780687, 1040916, 1214402, 1561374, 1821603, 2428804, 3122748, 3643206, 5464809, 7286412, 10929618, 21859236]

約数ペア:

[(1, 21859236), (2, 10929618), (3, 7286412), (4, 5464809), (6, 3643206), (7, 3122748), (9, 2428804), (12, 1821603), (14, 1561374), (18, 1214402), (21, 1040916), (28, 780687), (36, 607201), (42, 520458), (63, 346972), (84, 260229), (126, 173486), (252, 86743)]