21689072

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7573}}^1$

素因数の和:7760

約数の個数: 20

約数和(自身を含む): 42262920

約数和(自身を除く): 20573848

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7573, 15146, 30292, 60584, 121168, 1355567, 2711134, 5422268, 10844536, 21689072]

約数ペア:

[(1, 21689072), (2, 10844536), (4, 5422268), (8, 2711134), (16, 1355567), (179, 121168), (358, 60584), (716, 30292), (1432, 15146), (2864, 7573)]