21159730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6594

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21297230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6551, 13102, 32755, 65510, 111367, 124469, 222734, 248938, 556835, 622345, 1113670, 1244690, 2115973, 4231946, 10579865, 21159730]

約数ペア:

[(1, 21159730), (2, 10579865), (5, 4231946), (10, 2115973), (17, 1244690), (19, 1113670), (34, 622345), (38, 556835), (85, 248938), (95, 222734), (170, 124469), (190, 111367), (323, 65510), (646, 32755), (1615, 13102), (3230, 6551)]