21430252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7621}}^1$

素因数の和:7681

約数の個数: 24

約数和(自身を含む): 40549040

約数和(自身を除く): 19118788

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7621, 15242, 30484, 144799, 281977, 289598, 563954, 579196, 1127908, 5357563, 10715126, 21430252]

約数ペア:

[(1, 21430252), (2, 10715126), (4, 5357563), (19, 1127908), (37, 579196), (38, 563954), (74, 289598), (76, 281977), (148, 144799), (703, 30484), (1406, 15242), (2812, 7621)]