21998718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7591}}^1$

素因数の和:7629

約数の個数: 48

約数和(自身を含む): 56848896

約数和(自身を除く): 34850178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7591, 15182, 22773, 45546, 53137, 68319, 106274, 136638, 159411, 174593, 318822, 349186, 478233, 523779, 956466, 1047558, 1222151, 1571337, 2444302, 3142674, 3666453, 7332906, 10999359, 21998718]

約数ペア:

[(1, 21998718), (2, 10999359), (3, 7332906), (6, 3666453), (7, 3142674), (9, 2444302), (14, 1571337), (18, 1222151), (21, 1047558), (23, 956466), (42, 523779), (46, 478233), (63, 349186), (69, 318822), (126, 174593), (138, 159411), (161, 136638), (207, 106274), (322, 68319), (414, 53137), (483, 45546), (966, 22773), (1449, 15182), (2898, 7591)]