21580620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9721}}^1$

素因数の和:9770

約数の個数: 48

約数和(自身を含む): 62065248

約数和(自身を除く): 40484628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9721, 19442, 29163, 38884, 48605, 58326, 97210, 116652, 145815, 194420, 291630, 359677, 583260, 719354, 1079031, 1438708, 1798385, 2158062, 3596770, 4316124, 5395155, 7193540, 10790310, 21580620]

約数ペア:

[(1, 21580620), (2, 10790310), (3, 7193540), (4, 5395155), (5, 4316124), (6, 3596770), (10, 2158062), (12, 1798385), (15, 1438708), (20, 1079031), (30, 719354), (37, 583260), (60, 359677), (74, 291630), (111, 194420), (148, 145815), (185, 116652), (222, 97210), (370, 58326), (444, 48605), (555, 38884), (740, 29163), (1110, 19442), (2220, 9721)]