21028098

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2071

約数の個数: 64

約数和(自身を含む): 54512640

約数和(自身を除く): 33484542

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2027, 3458, 4054, 5187, 6081, 10374, 12162, 14189, 26351, 28378, 38513, 42567, 52702, 77026, 79053, 85134, 115539, 158106, 184457, 231078, 269591, 368914, 500669, 539182, 553371, 808773, 1001338, 1106742, 1502007, 1617546, 3004014, 3504683, 7009366, 10514049, 21028098]

約数ペア:

[(1, 21028098), (2, 10514049), (3, 7009366), (6, 3504683), (7, 3004014), (13, 1617546), (14, 1502007), (19, 1106742), (21, 1001338), (26, 808773), (38, 553371), (39, 539182), (42, 500669), (57, 368914), (78, 269591), (91, 231078), (114, 184457), (133, 158106), (182, 115539), (247, 85134), (266, 79053), (273, 77026), (399, 52702), (494, 42567), (546, 38513), (741, 28378), (798, 26351), (1482, 14189), (1729, 12162), (2027, 10374), (3458, 6081), (4054, 5187)]