21969234

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1543}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 54916992

約数和(自身を除く): 32947758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1543, 1582, 2034, 2373, 3086, 4629, 4746, 7119, 9258, 10801, 13887, 14238, 21602, 27774, 32403, 64806, 97209, 174359, 194418, 348718, 523077, 1046154, 1220513, 1569231, 2441026, 3138462, 3661539, 7323078, 10984617, 21969234]

約数ペア:

[(1, 21969234), (2, 10984617), (3, 7323078), (6, 3661539), (7, 3138462), (9, 2441026), (14, 1569231), (18, 1220513), (21, 1046154), (42, 523077), (63, 348718), (113, 194418), (126, 174359), (226, 97209), (339, 64806), (678, 32403), (791, 27774), (1017, 21602), (1543, 14238), (1582, 13887), (2034, 10801), (2373, 9258), (3086, 7119), (4629, 4746)]