21087534

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5101}}^1$

素因数の和:5172

約数の個数: 32

約数和(自身を含む): 46285344

約数和(自身を除く): 25197810

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5101, 10202, 15303, 30606, 66313, 132626, 198939, 270353, 397878, 540706, 811059, 1622118, 3514589, 7029178, 10543767, 21087534]

約数ペア:

[(1, 21087534), (2, 10543767), (3, 7029178), (6, 3514589), (13, 1622118), (26, 811059), (39, 540706), (53, 397878), (78, 270353), (106, 198939), (159, 132626), (318, 66313), (689, 30606), (1378, 15303), (2067, 10202), (4134, 5101)]