21167141758

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1\times {\mathrm{18443}}^1$

素因数の和:19648

約数の個数: 32

約数和(自身を含む): 36818355456

約数和(自身を除く): 15651213698

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 1123, 2246, 7861, 15722, 18443, 36886, 81979, 129101, 163958, 258202, 573853, 1147706, 1346339, 2692678, 9424373, 18848746, 20711489, 41422978, 144980423, 289960846, 1511938697, 3023877394, 10583570879, 21167141758]

約数ペア:

[(1, 21167141758), (2, 10583570879), (7, 3023877394), (14, 1511938697), (73, 289960846), (146, 144980423), (511, 41422978), (1022, 20711489), (1123, 18848746), (2246, 9424373), (7861, 2692678), (15722, 1346339), (18443, 1147706), (36886, 573853), (81979, 258202), (129101, 163958)]