213510890

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{25943}}^1$

素因数の和:26773

約数の個数: 16

約数和(自身を含む): 384801408

約数和(自身を除く): 171290518

約数列:

[1, 2, 5, 10, 823, 1646, 4115, 8230, 25943, 51886, 129715, 259430, 21351089, 42702178, 106755445, 213510890]

約数ペア:

[(1, 213510890), (2, 106755445), (5, 42702178), (10, 21351089), (823, 259430), (1646, 129715), (4115, 51886), (8230, 25943)]