21827130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55967}}^1$

素因数の和:55990

約数の個数: 32

約数和(自身を含む): 56415744

約数和(自身を除く): 34588614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55967, 111934, 167901, 279835, 335802, 559670, 727571, 839505, 1455142, 1679010, 2182713, 3637855, 4365426, 7275710, 10913565, 21827130]

約数ペア:

[(1, 21827130), (2, 10913565), (3, 7275710), (5, 4365426), (6, 3637855), (10, 2182713), (13, 1679010), (15, 1455142), (26, 839505), (30, 727571), (39, 559670), (65, 335802), (78, 279835), (130, 167901), (195, 111934), (390, 55967)]