21205010

素因数分解:

$2^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1933}}^1$

素因数の和:3037

約数の個数: 16

約数和(自身を含む): 38223576

約数和(自身を除く): 17018566

約数列:

[1, 2, 5, 10, 1097, 1933, 2194, 3866, 5485, 9665, 10970, 19330, 2120501, 4241002, 10602505, 21205010]

約数ペア:

[(1, 21205010), (2, 10602505), (5, 4241002), (10, 2120501), (1097, 19330), (1933, 10970), (2194, 9665), (3866, 5485)]