21864290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44621}}^1$

素因数の和:44642

約数の個数: 24

約数和(自身を含む): 45782172

約数和(自身を除く): 23917882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44621, 89242, 223105, 312347, 446210, 624694, 1561735, 2186429, 3123470, 4372858, 10932145, 21864290]

約数ペア:

[(1, 21864290), (2, 10932145), (5, 4372858), (7, 3123470), (10, 2186429), (14, 1561735), (35, 624694), (49, 446210), (70, 312347), (98, 223105), (245, 89242), (490, 44621)]