21064458243

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1627}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 32407879680

約数和(自身を除く): 11343421437

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 431, 527, 589, 969, 1293, 1581, 1627, 1767, 4881, 7327, 8189, 10013, 13361, 21981, 24567, 27659, 30039, 30913, 40083, 50437, 82977, 92739, 139213, 151311, 227137, 253859, 417639, 525521, 681411, 701237, 761577, 857429, 958303, 1576563, 2103711, 2572287, 2874909, 4315603, 11921029, 12946809, 13323503, 16291151, 21738347, 35763087, 39970509, 48873453, 65215041, 226499551, 369551899, 413028593, 679498653, 1108655697, 1239085779, 7021486081, 21064458243]

約数ペア:

[(1, 21064458243), (3, 7021486081), (17, 1239085779), (19, 1108655697), (31, 679498653), (51, 413028593), (57, 369551899), (93, 226499551), (323, 65215041), (431, 48873453), (527, 39970509), (589, 35763087), (969, 21738347), (1293, 16291151), (1581, 13323503), (1627, 12946809), (1767, 11921029), (4881, 4315603), (7327, 2874909), (8189, 2572287), (10013, 2103711), (13361, 1576563), (21981, 958303), (24567, 857429), (27659, 761577), (30039, 701237), (30913, 681411), (40083, 525521), (50437, 417639), (82977, 253859), (92739, 227137), (139213, 151311)]