21786870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14821}}^1$

素因数の和:14845

約数の個数: 48

約数和(自身を含む): 60829488

約数和(自身を除く): 39042618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14821, 29642, 44463, 74105, 88926, 103747, 148210, 207494, 222315, 311241, 444630, 518735, 622482, 726229, 1037470, 1452458, 1556205, 2178687, 3112410, 3631145, 4357374, 7262290, 10893435, 21786870]

約数ペア:

[(1, 21786870), (2, 10893435), (3, 7262290), (5, 4357374), (6, 3631145), (7, 3112410), (10, 2178687), (14, 1556205), (15, 1452458), (21, 1037470), (30, 726229), (35, 622482), (42, 518735), (49, 444630), (70, 311241), (98, 222315), (105, 207494), (147, 148210), (210, 103747), (245, 88926), (294, 74105), (490, 44463), (735, 29642), (1470, 14821)]