21159558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2753}}^1$

素因数の和:2829

約数の個数: 48

約数和(自身を含む): 53273376

約数和(自身を除く): 32113818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2753, 3843, 5506, 7686, 8259, 16518, 19271, 24777, 38542, 49554, 57813, 115626, 167933, 173439, 335866, 346878, 503799, 1007598, 1175531, 1511397, 2351062, 3022794, 3526593, 7053186, 10579779, 21159558]

約数ペア:

[(1, 21159558), (2, 10579779), (3, 7053186), (6, 3526593), (7, 3022794), (9, 2351062), (14, 1511397), (18, 1175531), (21, 1007598), (42, 503799), (61, 346878), (63, 335866), (122, 173439), (126, 167933), (183, 115626), (366, 57813), (427, 49554), (549, 38542), (854, 24777), (1098, 19271), (1281, 16518), (2562, 8259), (2753, 7686), (3843, 5506)]