21323778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4493}}^1$

素因数の和:4618

約数の個数: 32

約数和(自身を含む): 49182336

約数和(自身を除く): 27858558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 113, 226, 339, 678, 791, 1582, 2373, 4493, 4746, 8986, 13479, 26958, 31451, 62902, 94353, 188706, 507709, 1015418, 1523127, 3046254, 3553963, 7107926, 10661889, 21323778]

約数ペア:

[(1, 21323778), (2, 10661889), (3, 7107926), (6, 3553963), (7, 3046254), (14, 1523127), (21, 1015418), (42, 507709), (113, 188706), (226, 94353), (339, 62902), (678, 31451), (791, 26958), (1582, 13479), (2373, 8986), (4493, 4746)]