21579348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8287}}^1$

素因数の和:8332

約数の個数: 48

約数和(自身を含む): 59408384

約数和(自身を除く): 37829036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8287, 16574, 24861, 33148, 49722, 58009, 99444, 116018, 174027, 232036, 256897, 348054, 513794, 696108, 770691, 1027588, 1541382, 1798279, 3082764, 3596558, 5394837, 7193116, 10789674, 21579348]

約数ペア:

[(1, 21579348), (2, 10789674), (3, 7193116), (4, 5394837), (6, 3596558), (7, 3082764), (12, 1798279), (14, 1541382), (21, 1027588), (28, 770691), (31, 696108), (42, 513794), (62, 348054), (84, 256897), (93, 232036), (124, 174027), (186, 116018), (217, 99444), (372, 58009), (434, 49722), (651, 33148), (868, 24861), (1302, 16574), (2604, 8287)]