21263488

素因数分解:

$2^7\times {\mathrm{283}}^1\times {\mathrm{587}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 42582960

約数和(自身を除く): 21319472

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 283, 566, 587, 1132, 1174, 2264, 2348, 4528, 4696, 9056, 9392, 18112, 18784, 36224, 37568, 75136, 166121, 332242, 664484, 1328968, 2657936, 5315872, 10631744, 21263488]

約数ペア:

[(1, 21263488), (2, 10631744), (4, 5315872), (8, 2657936), (16, 1328968), (32, 664484), (64, 332242), (128, 166121), (283, 75136), (566, 37568), (587, 36224), (1132, 18784), (1174, 18112), (2264, 9392), (2348, 9056), (4528, 4696)]