21070308704

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1283}}^1\times {\mathrm{27011}}^1$

素因数の和:28323

約数の個数: 48

約数和(自身を含む): 43701094080

約数和(自身を除く): 22630785376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1283, 2566, 5132, 10264, 20528, 24377, 27011, 41056, 48754, 54022, 97508, 108044, 195016, 216088, 390032, 432176, 513209, 780064, 864352, 1026418, 2052836, 4105672, 8211344, 16422688, 34655113, 69310226, 138620452, 277240904, 554481808, 658447147, 1108963616, 1316894294, 2633788588, 5267577176, 10535154352, 21070308704]

約数ペア:

[(1, 21070308704), (2, 10535154352), (4, 5267577176), (8, 2633788588), (16, 1316894294), (19, 1108963616), (32, 658447147), (38, 554481808), (76, 277240904), (152, 138620452), (304, 69310226), (608, 34655113), (1283, 16422688), (2566, 8211344), (5132, 4105672), (10264, 2052836), (20528, 1026418), (24377, 864352), (27011, 780064), (41056, 513209), (48754, 432176), (54022, 390032), (97508, 216088), (108044, 195016)]