21013752

素因数分解:

$2^3\times 3^1\times {\mathrm{673}}^1\times {\mathrm{1301}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 52652880

約数和(自身を除く): 31639128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 673, 1301, 1346, 2019, 2602, 2692, 3903, 4038, 5204, 5384, 7806, 8076, 10408, 15612, 16152, 31224, 875573, 1751146, 2626719, 3502292, 5253438, 7004584, 10506876, 21013752]

約数ペア:

[(1, 21013752), (2, 10506876), (3, 7004584), (4, 5253438), (6, 3502292), (8, 2626719), (12, 1751146), (24, 875573), (673, 31224), (1301, 16152), (1346, 15612), (2019, 10408), (2602, 8076), (2692, 7806), (3903, 5384), (4038, 5204)]