21079264

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6791}}^1$

素因数の和:6898

約数の個数: 24

約数和(自身を含む): 41933808

約数和(自身を除く): 20854544

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6791, 13582, 27164, 54328, 108656, 217312, 658727, 1317454, 2634908, 5269816, 10539632, 21079264]

約数ペア:

[(1, 21079264), (2, 10539632), (4, 5269816), (8, 2634908), (16, 1317454), (32, 658727), (97, 217312), (194, 108656), (388, 54328), (776, 27164), (1552, 13582), (3104, 6791)]