21890803202

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{309989}}^1$

素因数の和:310106

約数の個数: 32

約数和(自身を含む): 36425064960

約数和(自身を除く): 14534261758

約数列:

[1, 2, 17, 31, 34, 62, 67, 134, 527, 1054, 1139, 2077, 2278, 4154, 35309, 70618, 309989, 619978, 5269813, 9609659, 10539626, 19219318, 20769263, 41538526, 163364203, 326728406, 353077471, 643847153, 706154942, 1287694306, 10945401601, 21890803202]

約数ペア:

[(1, 21890803202), (2, 10945401601), (17, 1287694306), (31, 706154942), (34, 643847153), (62, 353077471), (67, 326728406), (134, 163364203), (527, 41538526), (1054, 20769263), (1139, 19219318), (2077, 10539626), (2278, 9609659), (4154, 5269813), (35309, 619978), (70618, 309989)]