21787150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5659}}^1$

素因数の和:5689

約数の個数: 48

約数和(自身を含む): 50532480

約数和(自身を除く): 28745330

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5659, 11318, 28295, 39613, 56590, 62249, 79226, 124498, 141475, 198065, 282950, 311245, 396130, 435743, 622490, 871486, 990325, 1556225, 1980650, 2178715, 3112450, 4357430, 10893575, 21787150]

約数ペア:

[(1, 21787150), (2, 10893575), (5, 4357430), (7, 3112450), (10, 2178715), (11, 1980650), (14, 1556225), (22, 990325), (25, 871486), (35, 622490), (50, 435743), (55, 396130), (70, 311245), (77, 282950), (110, 198065), (154, 141475), (175, 124498), (275, 79226), (350, 62249), (385, 56590), (550, 39613), (770, 28295), (1925, 11318), (3850, 5659)]