21310260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355171}}^1$

素因数の和:355183

約数の個数: 24

約数和(自身を含む): 59668896

約数和(自身を除く): 38358636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355171, 710342, 1065513, 1420684, 1775855, 2131026, 3551710, 4262052, 5327565, 7103420, 10655130, 21310260]

約数ペア:

[(1, 21310260), (2, 10655130), (3, 7103420), (4, 5327565), (5, 4262052), (6, 3551710), (10, 2131026), (12, 1775855), (15, 1420684), (20, 1065513), (30, 710342), (60, 355171)]