21027216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62581}}^1$

素因数の和:62599

約数の個数: 40

約数和(自身を含む): 62081344

約数和(自身を除く): 41054128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62581, 125162, 187743, 250324, 375486, 438067, 500648, 750972, 876134, 1001296, 1314201, 1501944, 1752268, 2628402, 3003888, 3504536, 5256804, 7009072, 10513608, 21027216]

約数ペア:

[(1, 21027216), (2, 10513608), (3, 7009072), (4, 5256804), (6, 3504536), (7, 3003888), (8, 2628402), (12, 1752268), (14, 1501944), (16, 1314201), (21, 1001296), (24, 876134), (28, 750972), (42, 500648), (48, 438067), (56, 375486), (84, 250324), (112, 187743), (168, 125162), (336, 62581)]