21206550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3821}}^1$

素因数の和:3873

約数の個数: 48

約数和(自身を含む): 54027792

約数和(自身を除く): 32821242

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3821, 5550, 7642, 11463, 19105, 22926, 38210, 57315, 95525, 114630, 141377, 191050, 282754, 286575, 424131, 573150, 706885, 848262, 1413770, 2120655, 3534425, 4241310, 7068850, 10603275, 21206550]

約数ペア:

[(1, 21206550), (2, 10603275), (3, 7068850), (5, 4241310), (6, 3534425), (10, 2120655), (15, 1413770), (25, 848262), (30, 706885), (37, 573150), (50, 424131), (74, 286575), (75, 282754), (111, 191050), (150, 141377), (185, 114630), (222, 95525), (370, 57315), (555, 38210), (925, 22926), (1110, 19105), (1850, 11463), (2775, 7642), (3821, 5550)]