21373072

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8297}}^1$

素因数の和:8335

約数の個数: 40

約数和(自身を含む): 49389696

約数和(自身を除く): 28016624

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8297, 16594, 33188, 58079, 66376, 116158, 132752, 190831, 232316, 381662, 464632, 763324, 929264, 1335817, 1526648, 2671634, 3053296, 5343268, 10686536, 21373072]

約数ペア:

[(1, 21373072), (2, 10686536), (4, 5343268), (7, 3053296), (8, 2671634), (14, 1526648), (16, 1335817), (23, 929264), (28, 763324), (46, 464632), (56, 381662), (92, 232316), (112, 190831), (161, 132752), (184, 116158), (322, 66376), (368, 58079), (644, 33188), (1288, 16594), (2576, 8297)]