21641300

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5849}}^1$

素因数の和:5900

約数の個数: 36

約数和(自身を含む): 48239100

約数和(自身を除く): 26597800

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5849, 11698, 23396, 29245, 58490, 116980, 146225, 216413, 292450, 432826, 584900, 865652, 1082065, 2164130, 4328260, 5410325, 10820650, 21641300]

約数ペア:

[(1, 21641300), (2, 10820650), (4, 5410325), (5, 4328260), (10, 2164130), (20, 1082065), (25, 865652), (37, 584900), (50, 432826), (74, 292450), (100, 216413), (148, 146225), (185, 116980), (370, 58490), (740, 29245), (925, 23396), (1850, 11698), (3700, 5849)]