21057006

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2879}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23732754

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2879, 3657, 5758, 7314, 8637, 17274, 66217, 132434, 152587, 198651, 305174, 397302, 457761, 915522, 3509501, 7019002, 10528503, 21057006]

約数ペア:

[(1, 21057006), (2, 10528503), (3, 7019002), (6, 3509501), (23, 915522), (46, 457761), (53, 397302), (69, 305174), (106, 198651), (138, 152587), (159, 132434), (318, 66217), (1219, 17274), (2438, 8637), (2879, 7314), (3657, 5758)]