21707748

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4603}}^1$

素因数の和:4744

約数の個数: 36

約数和(自身を含む): 55303248

約数和(自身を除く): 33595500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4603, 4716, 9206, 13809, 18412, 27618, 41427, 55236, 82854, 165708, 602993, 1205986, 1808979, 2411972, 3617958, 5426937, 7235916, 10853874, 21707748]

約数ペア:

[(1, 21707748), (2, 10853874), (3, 7235916), (4, 5426937), (6, 3617958), (9, 2411972), (12, 1808979), (18, 1205986), (36, 602993), (131, 165708), (262, 82854), (393, 55236), (524, 41427), (786, 27618), (1179, 18412), (1572, 13809), (2358, 9206), (4603, 4716)]