21787605301

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12302431}}^1$

素因数の和:12302472

約数の個数: 16

約数和(自身を含む): 28344803328

約数和(自身を除く): 6557198027

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12302431, 86117017, 135326741, 282955913, 947287187, 1980691391, 3112515043, 21787605301]

約数ペア:

[(1, 21787605301), (7, 3112515043), (11, 1980691391), (23, 947287187), (77, 282955913), (161, 135326741), (253, 86117017), (1771, 12302431)]