21109380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18517}}^1$

素因数の和:18548

約数の個数: 48

約数和(自身を含む): 62220480

約数和(自身を除く): 41111100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18517, 37034, 55551, 74068, 92585, 111102, 185170, 222204, 277755, 351823, 370340, 555510, 703646, 1055469, 1111020, 1407292, 1759115, 2110938, 3518230, 4221876, 5277345, 7036460, 10554690, 21109380]

約数ペア:

[(1, 21109380), (2, 10554690), (3, 7036460), (4, 5277345), (5, 4221876), (6, 3518230), (10, 2110938), (12, 1759115), (15, 1407292), (19, 1111020), (20, 1055469), (30, 703646), (38, 555510), (57, 370340), (60, 351823), (76, 277755), (95, 222204), (114, 185170), (190, 111102), (228, 92585), (285, 74068), (380, 55551), (570, 37034), (1140, 18517)]