21269450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{11497}}^1$

素因数の和:11546

約数の個数: 24

約数和(自身を含む): 40633932

約数和(自身を除く): 19364482

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 370, 925, 1850, 11497, 22994, 57485, 114970, 287425, 425389, 574850, 850778, 2126945, 4253890, 10634725, 21269450]

約数ペア:

[(1, 21269450), (2, 10634725), (5, 4253890), (10, 2126945), (25, 850778), (37, 574850), (50, 425389), (74, 287425), (185, 114970), (370, 57485), (925, 22994), (1850, 11497)]