21834147

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 29587712

約数和(自身を除く): 7753565

約数列:

[1, 3, 151, 157, 307, 453, 471, 921, 23707, 46357, 48199, 71121, 139071, 144597, 7278049, 21834147]

約数ペア:

[(1, 21834147), (3, 7278049), (151, 144597), (157, 139071), (307, 71121), (453, 48199), (471, 46357), (921, 23707)]