21681996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258119}}^1$

素因数の和:258133

約数の個数: 24

約数和(自身を含む): 57818880

約数和(自身を除く): 36136884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258119, 516238, 774357, 1032476, 1548714, 1806833, 3097428, 3613666, 5420499, 7227332, 10840998, 21681996]

約数ペア:

[(1, 21681996), (2, 10840998), (3, 7227332), (4, 5420499), (6, 3613666), (7, 3097428), (12, 1806833), (14, 1548714), (21, 1032476), (28, 774357), (42, 516238), (84, 258119)]