21771846

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 28637370

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1223, 1978, 2446, 2967, 3669, 5934, 7338, 8901, 11007, 17802, 22014, 28129, 52589, 56258, 84387, 105178, 157767, 168774, 253161, 315534, 473301, 506322, 946602, 1209547, 2419094, 3628641, 7257282, 10885923, 21771846]

約数ペア:

[(1, 21771846), (2, 10885923), (3, 7257282), (6, 3628641), (9, 2419094), (18, 1209547), (23, 946602), (43, 506322), (46, 473301), (69, 315534), (86, 253161), (129, 168774), (138, 157767), (207, 105178), (258, 84387), (387, 56258), (414, 52589), (774, 28129), (989, 22014), (1223, 17802), (1978, 11007), (2446, 8901), (2967, 7338), (3669, 5934)]