21000346758

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{2731}}^1\times {\mathrm{5147}}^1$

素因数の和:7969

約数の個数: 48

約数和(自身を含む): 46074764736

約数和(自身を除く): 25074417978

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 2731, 5147, 5462, 8193, 10294, 15441, 16386, 24579, 30882, 46323, 49158, 92646, 226673, 427201, 453346, 680019, 854402, 1281603, 1360038, 2040057, 2563206, 3844809, 4080114, 7689618, 14056457, 28112914, 42169371, 84338742, 126508113, 253016226, 1166685931, 2333371862, 3500057793, 7000115586, 10500173379, 21000346758]

約数ペア:

[(1, 21000346758), (2, 10500173379), (3, 7000115586), (6, 3500057793), (9, 2333371862), (18, 1166685931), (83, 253016226), (166, 126508113), (249, 84338742), (498, 42169371), (747, 28112914), (1494, 14056457), (2731, 7689618), (5147, 4080114), (5462, 3844809), (8193, 2563206), (10294, 2040057), (15441, 1360038), (16386, 1281603), (24579, 854402), (30882, 680019), (46323, 453346), (49158, 427201), (92646, 226673)]