21269534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17437666

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2399, 4433, 4798, 8866, 26389, 31187, 52778, 62374, 74369, 148738, 343057, 686114, 818059, 966797, 1636118, 1933594, 10634767, 21269534]

約数ペア:

[(1, 21269534), (2, 10634767), (11, 1933594), (13, 1636118), (22, 966797), (26, 818059), (31, 686114), (62, 343057), (143, 148738), (286, 74369), (341, 62374), (403, 52778), (682, 31187), (806, 26389), (2399, 8866), (4433, 4798)]