21999822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12263}}^1$

素因数の和:12304

約数の個数: 32

約数和(自身を含む): 49448448

約数和(自身を除く): 27448626

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 12263, 24526, 36789, 73578, 159419, 282049, 318838, 478257, 564098, 846147, 956514, 1692294, 3666637, 7333274, 10999911, 21999822]

約数ペア:

[(1, 21999822), (2, 10999911), (3, 7333274), (6, 3666637), (13, 1692294), (23, 956514), (26, 846147), (39, 564098), (46, 478257), (69, 318838), (78, 282049), (138, 159419), (299, 73578), (598, 36789), (897, 24526), (1794, 12263)]