21118790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27427}}^1$

素因数の和:27452

約数の個数: 32

約数和(自身を含む): 47395584

約数和(自身を除く): 26276794

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27427, 54854, 137135, 191989, 274270, 301697, 383978, 603394, 959945, 1508485, 1919890, 2111879, 3016970, 4223758, 10559395, 21118790]

約数ペア:

[(1, 21118790), (2, 10559395), (5, 4223758), (7, 3016970), (10, 2111879), (11, 1919890), (14, 1508485), (22, 959945), (35, 603394), (55, 383978), (70, 301697), (77, 274270), (110, 191989), (154, 137135), (385, 54854), (770, 27427)]