21293916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4783}}^1$

素因数の和:4850

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 36573348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4783, 9566, 14349, 19132, 28698, 33481, 57396, 66962, 100443, 133924, 200886, 253499, 401772, 506998, 760497, 1013996, 1520994, 1774493, 3041988, 3548986, 5323479, 7097972, 10646958, 21293916]

約数ペア:

[(1, 21293916), (2, 10646958), (3, 7097972), (4, 5323479), (6, 3548986), (7, 3041988), (12, 1774493), (14, 1520994), (21, 1013996), (28, 760497), (42, 506998), (53, 401772), (84, 253499), (106, 200886), (159, 133924), (212, 100443), (318, 66962), (371, 57396), (636, 33481), (742, 28698), (1113, 19132), (1484, 14349), (2226, 9566), (4452, 4783)]