21651050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 42800832

約数和(自身を除く): 21149782

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 67, 115, 134, 230, 281, 335, 562, 575, 670, 1150, 1405, 1541, 1675, 2810, 3082, 3350, 6463, 7025, 7705, 12926, 14050, 15410, 18827, 32315, 37654, 38525, 64630, 77050, 94135, 161575, 188270, 323150, 433021, 470675, 866042, 941350, 2165105, 4330210, 10825525, 21651050]

約数ペア:

[(1, 21651050), (2, 10825525), (5, 4330210), (10, 2165105), (23, 941350), (25, 866042), (46, 470675), (50, 433021), (67, 323150), (115, 188270), (134, 161575), (230, 94135), (281, 77050), (335, 64630), (562, 38525), (575, 37654), (670, 32315), (1150, 18827), (1405, 15410), (1541, 14050), (1675, 12926), (2810, 7705), (3082, 7025), (3350, 6463)]