21038670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 56989440

約数和(自身を除く): 35950770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1163, 1206, 1809, 2010, 2326, 3015, 3489, 3618, 5815, 6030, 6978, 9045, 10467, 11630, 17445, 18090, 20934, 31401, 34890, 52335, 62802, 77921, 104670, 155842, 157005, 233763, 314010, 389605, 467526, 701289, 779210, 1168815, 1402578, 2103867, 2337630, 3506445, 4207734, 7012890, 10519335, 21038670]

約数ペア:

[(1, 21038670), (2, 10519335), (3, 7012890), (5, 4207734), (6, 3506445), (9, 2337630), (10, 2103867), (15, 1402578), (18, 1168815), (27, 779210), (30, 701289), (45, 467526), (54, 389605), (67, 314010), (90, 233763), (134, 157005), (135, 155842), (201, 104670), (270, 77921), (335, 62802), (402, 52335), (603, 34890), (670, 31401), (1005, 20934), (1163, 18090), (1206, 17445), (1809, 11630), (2010, 10467), (2326, 9045), (3015, 6978), (3489, 6030), (3618, 5815)]